Get an electronic autopilot instead of a wind vane system. On the whole the oar and vane are generally remarkably indifferent to boat size: in many cases the same system can steer anything from, say, 30 to 60 feet. HOME; THE NEPTUNE. Find general info on the Aires Product website: Aries Products. 00 Servo-pendulum systems can produce perfect steering on catamarans. As the boat moves faster with stronger winds, the power of the servo oar increases and this gives ample power to turn the boat’s own large rudder. The development of self-steering wind vanes arose from the single-handed races of the 1960s. The development of the servo-pendulum principle represented a break-through in windvane self-steering. For a year or two I had looked at everything I the vane itself only senses wind direction, larger would not matter at all on any servo pendulum ( monitor, cape horn, windpilot etc), hydrovane the exception, it moves the rudder itself only? AUXILIARY RUDDERS/SHAFT/MOUNTING NEED TO BE EXTREMELY ROBUST ON THESE LARGER VESSELS AND NEEDS SERIOUS CONSIDERA Very Specialists in servo pendulum self steering & assist yachtsman in selecting the right equipment & accessories for each individual vessel. This principle offers a great sensitivity-strength balance and is lightweight. Senior Cruiser. The servo-forces here are usually enough to sail the main rudder of ships of up to 30 t (tons) safely. In addition to working best when needed most (heavy weather) this system uses no electrical power! This involved checking vertical distances from the bottom of the servo-pendulum to the water surface. The servo-forces here are usually Mc Bride has extensive experience with Aries Wind Vanes having completed several South Atlantic crossings using what has become known as the “silent helmsman” – a servo-pendulum rudder mechanism, connected to a wind vane, that steers through the ship’s rudder through ropes connected to the tiller arm. It has all parts except the wooden wind vane (there are patterns on the internet to make a new one. Windy has proven itself responsive in light wind Aboard Jester, Blondie Hasler was using the first servo-pendulum gear with differential gearing. I did consider servo pendulum type wind vane's such as the monitor but the shear amount of SS tube and bulk has put me off. Attached Thumbnails 18-09-2015, 23:24 #12: Jmord. With the boat sailing, the flow of water provides the The Hasler vane is pretty much identical to the Aries and other servo pendulum vanes except the wind vane has a vertical pivot on the Hasler vice the horzontal pivot on the Aires, et al. It is a servo-pendulum windvane . The sensor vane is the brains of The self steering gear S 470 is a fast and efficient steering system. These require a support structure so they can hang off the back of the boat. Most of the wind vane self-steering sytems used today are based on the servo pendulum vane gear designed by Blondie Hasler in 1961. Carlita is a light well mannered boat and requires finesse rather than brute force. The servo-forces here are usually After hours of observation and numerous mistakes, this is therefore my take on setting up a pendulum-servo wind vane: Acquiring the knack Compensating for weather helm is key and is best done For me, the deciding factor in what windvane to buy for my own boat was my hydraulic steering, which doesn’t work well with a servo pendulum style windvane. One other feature of the vane that I really appreciate is that it eases the load on the rudder and rudder bearings. The Monitor is a servo-pendulum windvane and utilizes the ships rudder to steer the boat. When the boat goes in a different The Neptune Windvane works on a horizontal axis, servo-pendulum system, which is the most efficient form of self steering, using the vessel’s existing steering system to steer the boat, together with the Neptune’s Despite a sloppy sea which tended to knock the boat off course, the vane performed well on all points of sail, including downwind – which can present problems for wind self-steering owing to low apparent wind. Rather, the wind vane rotates the oar slightly on its axis (yellow arrow). "Horizontal axis vanes and servo pendulum paddles are the most powerful self steering systems and are certainly required for large or heavy handed vessels. Servo-pendulums, comprising the majority of vane steering systems, plus trim tabs and airvane-powered auxiliary rudders, continue to prove their worth over A windvane operates by using the power of the wind and moving water to steer the boat. It replaced a much older servo pendulum gear and is just amazing in the band of wind and sea conditions it covers A Servo-pendulum Self Steering Gear is a type of self-steering system commonly used on sailing vessels to help maintain a desired course without the need for constant manual adjustment by the crew. - Navik replacement parts, since 2011 *10 KG/22 lbs. To this end, I’d say the servo pendulum is more responsive and likely to The concept of the electric vane is simple: instead of having the servo-pendulum’s controlling input come from a wind paddle that juts up into the air and flops back and forth in response to changes in the boat’s course or in the wind direction, it is provided by a small electronic tiller-pilot that steers only to a compass course. Was this article helpful? 0 0. 4 Servo-pendulum gear The Hebridean wind vane self-steering servo-pendulum gear (what a mouthful) from windvaneselfsteering. However today I contacted the sea Feather people and they were very honest and said there product was not suited to sugar scoop sterns. I like the redundancy of a spare rudder. I've done many miles with a pendulum servo vane like the Monitor on a 20,000# tiller steered boat. Save Share. The relative motions of the wind vane system Our unique method for testing system stability (without even leaving the slip) See 5 different designs using the autopilot and a I bought the vane used from a 40' Plus, mid 20,0000# boat. The servo principle Windpilot Pacific Plus: Windpilot takes its Pacific-series servo-pendulum vanes one step further by using a servo-pendulum system to drive an auxiliary rudder. It is not only the complicated linkage that gives one a headache but it is also the price tags that run into thousands that can hurt. The South Atlantic servo pendulum wind-vane looks great, but I cannot afford that. The servo-forces here are usually Self Steering Wind Vane S - 500. The crossing from Plymouth took 47 days and 23 hours. The original Aries system was developed and produced by Nick Franklin and set the standard in the 1970’s for the modern horizontal axis windvane connected to a servo-pendulum rudder (Aries - Providing Vane Gear Spares and information). There are many different systems of windvane self-steering. Servo pendulum solutions utilize your boat’s own rudder and as the name As far as a mechanical vane steering getting better as wind and boat speed increases, that is most applicable to Pendulum Servo vanes that provide steering through the boats rudder. There are various combinations of servo-pendulum and auxiliary rudder models available that are installed aft of the cockpit and provide input to control lines that steer the boat based on a set angle to the wind. Powerful, sturdy and reliable for sailboats 20' to 60' It is also one of the least expensive quality wind vanes available. I recently read the artical on the Jester event in which it said many of the participants recomended the Sea Feather as being very reliable. Brian Living aboard in Victoria Harbour. ” Denis Gorman, Lizzie G Offset Mount for Servo-Pendulum Wind Vane? Thread starter Normalfornorfolk; Start date 31 Oct 2017; 31 Oct 2017 #1 N. co. When the boat veers off course, Second Hand Wind Vanes and other sailing discussion in the Seabreeze general forums, page 1 I mainly sail singlehanded and built servo pendulum gear for my 8. Powerful, sturdy and reliable for sailboats 20' to 60' Most vanes require a custom mount for some transom types. Subs Active Search New Topic. it's a pendulum servo setup, following the usual concept, a bit like the Monitor or Aries but different. can I make my own? Yes, you can and there is great experience with this in the current SETKA Community of builders and a FaceBook page for homebuilt self-steering wind-vanes. I'm still trying to find a good setup for running on any point of sail from aft qtr to dead downwind - dont have much problem getting reliable No comparison to the toughness of trim tab on a rudder. Autohelm 800) is connected to the counterweight of a servo-pendulum gear, it can be used to supply the steering impulse in place of the windvane. NORVANE Self-Steering Wind Vane. If you really want to build a wind vane system read on and eventually you will get to what he calls the "cook book" section where you will find his recommendations for various wind vane systems. I presume most people factor in those kinds of issues Servo-pendulum vanes can be broken down into three main components: the sensor vane, the pendulum rudder, and the linkages. The history of wind-vane self steering, as outlined in Peter Christian Forthmann But then, how DOES the pendulum go back to neutral? That is where the servo pendulum is so clever. (Wind vane Modern Self steering Windvane: Servo pendulum systems. The vane-to If a small push rod autopilot (e. The servo-pendulum system is the “classic” windvane, with a small servo blade that looks like the windvane’s rudder in the water, and a larger windvane “paddle” The Hebridean wind vane servo pendulum self-steering (the boat in the picture is not a NIS) By the way, speaking of self-steering, I’m considering buying/building the Hebridean , or an own design based Servo Pendulum Windvane. The overall concept is simple: a non-electric device mounted on the boat’s transom has a vane that takes a signal from the wind. Sailomat 601 servo pendulum self steering wind vane. Built-in block alignment. when a servo pendulum self-steering wind-vane like the S 440 can´t fit the requirements of a given sailboat (Hydraulic rudder gear, very big force needed to turn the rudder, etc), auxiliary rudder systems are the way to go. The boat: 50', 19 ton steel cutter, slightly modified full keel, skeg hung balanced rudder, with statly, even majestic performance. Custom Spectra pendulum lines. 3 (The Standard Vane Gear) Servo Pendulum Self Steering Gear. Vessel is steered by a servo rudder linked to the main rudder; therefore rudder volume is increased as both rudders work together. I would like to install a servo pendulum wind vane autopilot. While this is not practical for most un-ballasted small sailboats, a self steering device is an essential tool for the cruising sailor. The designs evolved rapidly, and by the 1970s, the basic form of the servo-pendulum gear was established. Thank you for your sharing your experience and opinion. So if you move the wind vane one way it turns the oar. Would work well with a wind vane wheel drive and could be dual purpose. The servo-forces here are usually One advantage of auxiliary rudder wind vanes is that some can be used as emergency steering, if the main rudder fails. Even though servo systems are the most widely used, they are still the least understood. Unlike servo-pendulum steering systems, auxiliary-rudder wind vanes are entirely independent of all other aspects of the boat. 00: FAIRLEAD BRACKET (aluminium angle mount) Includes ball bearing 45 diam. A servo pendulum system pulls a line that moves the steering wheel or tiller enough to move the boat’s main rudder to bring the boat back on course. With our Sailomat, I need only remove one bolt and the servo oar & wind blade base & extension are removed. Stainless steel, servo-pendulum. youtube. servo blade attached to the system is a rudder that directly steers the vessel. Under sail, however, there are some points of sail (e. Plywood has several practical advantages as a material for H vanes. The servo pendulum concept. It works on the servo pendulum system in which the vane operates a servo rudder which can swing sideways. The traditional Monitor H vane servo-pendulum system. Servo Power; CONTACT US; Neptune Windvane Pictures & Videos Picture Gallery. Joined 30 Mar 2011 Scanmar (the mfr) specifically recommends against having the servo-pendulum in the water when powering, because the prop wash will cause vibration and wear on the Monitor components. Completing our mesmerizing ensemble is a surprisingly powerful muscle known as a servo pendulum. Related Posts. While there are differences in their methods of transmission, the basic principle is the same. Instead, the main rudder is locked, Custom Built, Servo Pendulum Wind Vane self-steering systems. They Bill Belcher's 'Wind-Vane Self-Steering' is a good read and contains numerous drawings for DIY fabrication. If you have not already seen the self steering video, check out the video and answer your own question With the servo pendulum system the steering lines need to be slightly slack (counter intuitive, I know, as you want maximum usage of the rudder). Nowadays many designs later we have wind I also need to mention the Aries windvane. The PO said the vane steered his boat from the East Coast to the West Coast without a hitch. I'm making one now. This Windpilot Pacific V vane servo-pendulum system MKI (1969), is made of sstainless steel. Posts: 93 Probably the difference in size of the boat's rudder and the vane's. so many types, seems the servo pendulum is the most favoured. I love the overall design of the windvane and it has completely revolutionised my sailing as I have been doing long single handed passages over multiple days. The linkage between the servo-pendulum and the auxiliary rudder is a stainless steel rod that s easily disengaged. Description. The force required for controlling the servo is approximately 1/3 of the force required by an auxiliary rudder. ” – John Krestchmaer, Kaufman 47 “With just two of us on board, I wanted a system that was simple and effective to operate, and it has exceeded my most optimistic expectations by a considerable margin. The Hebridean wind vane is a very affordable DIY servo pendulum self-steering gear that has a few (at least somewhat) unique details compared to the Servo pendulum vanes are manufactured differently even though they all operate using similar principles and the vane sizes vary from different manufacturesfor example the vane size of the Cape Horn vane is half the size of most others and that simply demonstrates how little friction there is in the system. 8 inches). This causes a change in the ‘attack angle’ of the oar in the water moving past the oar (as the The world’s number one servo-pendulum windvane solution. The powerful vane and servo pendulum system took control of the boat to the extent that it could still steer a course with the sails If you want a vane that can handle steering boats with higher steering forces relative to wind speed then amplification of the wind force via a servo pendulum is desirable. This is in fact not the case. Is an emergency rudder option really a neccesity? NORVANE Self-Steering Wind Vane. With intricate mechanical linkages connecting it to our puppet master – also known as If mounting a wind vane system well outboard, it's important to distinguish between those with their own dedicated rudder (such as Hydrovane, Windpilot Pacific Plus) and conventional servo-pendulum systems. As long as the boat is on course, the wind pressure on both sides of the vane A basic overview of how a servo-pendulum windvane operates. It's about 20 years old, but it has been installed on the boat for only 2 If you prefer a servo pendulum system or your boat is better suited for one then you can still use the vane assembly from these plans and simply adapt the lower unit however Just to review quickly, a servo-pendulum system functions by employing a tilting wind vane to transmit changes in wind direction to a submerged servo blade via a push rod and a pair of bevel gears. It was designed by a Dutch shipbuilder named Jan van Hool, I came across a fellow in The Netherlands that is making lightweight, affordable wind vanes. While it works well, it just isn't as Does anyone have any experience of using a wind vane directly coupled to the tiller without an auxiliary rudder/servo pendulum? I am planning to build a wind vane self steering system using plans from Bill Belchers book. If you are over-sailed or have a wicked weather helm, the vane will struggle. By rotating the oar, you get large forces generated by hydrodynamic lift that then turn the The servo-pendulum wind vanes are the most widely proven principle for a windvane. The way it works, is when the wind vane is set on edge towards the wind, as the boat is on course; The oar, or little rudder, is centered. I'm looking for a FLEMMING servo pendulum vane for a 33 foot sloop . You should be able to build for Sea Feather servo-pendulum self-steering gear on Ebay. I have been studying the various wind vane self steering for our Formosa 41 and had settled on 2 possibilities. The Sea Feather Wind Vane performed admirably and bought me all the way across without fault. No servo pendulum rig is anywhere near as strong. The vane steered the boat about 99% of the time underway. . Pendulum Servo units that actually turns the rudder do get stronger as boat speed increases. All are hand built with simple hand or power tools The power of these servo-pendulum vanes is easily enough to rip the wheel from your hands at six knots with a 6" pulley. When the flapper blade is balanced in the wind, the servo pendulum will ride in the middle of the boat. On top of that, friction is not When the wind acts on either side of this vane, it tips, transferring this action through the mechanism below to either a rudder or a servo pendulum which acts on the main rudder. As the boat moves faster with stronger winds, The trick with making a servo-pendulum wind vane work well is to trim the sails for a balanced helm. Having spent regular periods trawling the net for information on wind vanes and their prices, I was interested to find this website in November 2013 promoting John Fleming’s DIY servo pendulum vane, the ‘Hebridean’. The servo-pendulum wind vane takes a different A wind vane is a clever bit of engineering known as a servo-pendulum. Proper transmission of the rudder One of the subtle advantages of the servo pendulum system is that in the case of the boat slewing around suddenly due to a wind gust or wave, the sideways movement creates an automatic correction in the steering before the wind vane part itself can react. Join Date: Jul 2013. No unsightly "metal work" frame required on boat with transom-hung rudder. I created this video with the YouTube Video Editor (http://www. It is no good in gusty weather or if the wind The simplicity of a Hebridean servo pendulum wind vane. Wind Vane vsAutopilot vs Wind A video demonstrating the concept of the Milling Swing Mount for Servo-Pendular Wind Wane self steering devices. Welcome to Mister Vee! - The lightest* and most sensitive windvane self steering, since 2006. 13-09-2008, 05:15 #8: Paul Lefebvre. the smaller wind pilot was too small and the larger wind pilot too expensive. seems downwind sailing is the problem area with windvanes - i'd really appreciate to hear what people have found to work - ie sail combinations, wheel or tiller steering, servo pendulum or trim tab. The wind vane functions well as the steering impulse generator as long as the wind strength and angle remain constant. Remote course control Modern Self steering Windvane: Servo pendulum systems. New posts Search forums. I can tell you that the servo-pendulem is far stronger than the hydro-vane especially when going down-wind in heavy seas. New posts Latest activity. Simply put, yaw is the sideways movement of the boat when pushed aside by wind and/or wave(s). All of them use a steerable vane that is oriented to align with the desired apparent wind angle. The state-of-the-art and innovative SAILOMAT 800 system represents the next generation in sailboat self-steering. Citing breakdowns of Chichester’s wind vane gear and contrasting it to some home made conconction of Development of wind vanes accelerated in the 1960’s in the early days of single-handed ocean racing. You are probably in a good position for a trim tab system on your primary rudder which is a lot easier to build than a servo-pendulum system. By Ian Kirkwood. Might be just what somebody has been looking for :) Home. more power than Atlantik V vane. The transmission that rotates the vertical axis of the pendulum rudder also does this when the pendulum rudder swings Adjusting the angle of the windvane changes the leverage available to the wind, so an upright vane gives a stronger signal for light air on account of the longer lever, and an aft inclined vane gives a weaker signal on account of the shorter lever. Almost all manufacturers specify an H vane area of 0. Our wind vane is a fast and efficient steering system, your best sailing crewmember at sea!. Powerful, sturdy and reliable for sailboats 20' to 60' The posts seem to be about servo-pendulum systems which don't have a rudder, but a pendulum oar or blade. The distinctive features of this system were the aluminium windvane and the circular segment connecting the steering lines to the pendulum rudder which ensured uniform force transmission. It did not use a There are all types of self steering gears manufactured, from the simple wind vane direct to tiller type, to the complicated wind vane to pendulum servo which then drives an auxiliary rudder. Shown is a Cape Horn Varuna installed on a Pacific Seacraft Dana 24. The boat used to have a Monitor wind vane and the previous owner crossed the atlantic with it twice and said it worked fine with that. Scanmar, which makes the Monitor, AutoHelm and Saye's Rig wind vanes, also makes an emergency rudder. Most of the equipment available today are servo-pendulum types of self-steering gear. I have been involved with self steering gears for 45 years as a heavy user of various brands and Aries Australian distributor for over a decade. swivel block: £ 220. This Windpilot auxiliary rudder The Hydrovane auxiliary rudder system is suitable for boats up to system: the H vane generates 11 m/36ft in length. Model Weight Yacht Length; M650 (mk2) 16 kg: 23ft / 7m: M790 (mk2) 17 kg: 31ft / 9. It is a servo-pendulum wind vane, the most widely proven principle for a windvane. Lightweight windvane self steering S 301 for small Sailboats. It utilizes the force Just a VERY strong servo pendulum wind vane system that can use an auto tiller to drive it. Most wind-driven self-steering gear is based on stern-mounted wind vane setups. I This is the Aires no. When this happens the paddle in the water turns and the force of the boat's movement against the paddle swings it to one side or the other, creating the force to bring the boat back on There is a book by Bill Belcher called "Wind-vane Self-steering, how to plan and make your own". Strong four-point mounting system. Effective There are effectively two methods, one that uses a servo-pendulum blade (e. 18-09-2015, 09:40 #7: s/v Beth. Jump to Latest Lights airs and rolling seas are a challenge for all servo-pendulum vanes, but our will maintain a course down to 5 knots if seas are not a problem. Overload protection with mechanical safety tube protects the vessel and the windvane. Marcel Gianoli’s 15-20 degrees offset ‘horizontal’ vane axle has featured on all servo-pendulum wind vanes since the ECA engineer’s angled axle solution first rendered the concept reliable. Here is the definitive manual for choosing, purchasing, installing, maintaining, repairing, using, and even building a windvane self-steerer, that amazing device that relieves longdistance sailors from the the helm while using not one amp of precious electrical power. When the wind acts on either side of this vane, it tips, transferring this action through the Servo pendulum wind vanes are expensive and often fragile largely due to gears, cogs and bushes Hebridean Self Steering Wind Vane · July 22, 2021 · The Aries vane gear is a wind vane that is attached to a sailing boat and gives you the posibillity to steer for you in a set course. Reply reply Guygan • Ohhhh. Forums. Join Date: Aug 2008. The leading edge of the vane is set facing into the wind, and when the boat veers off Wind Vane Operation. It only has to rotate an oar in the water. Trim tab, auxiliary rudder and servo pendulum systems are just a few. Believe it was more of a cost issue and motivation to be a vane builder instead of a The Aries Vane Gear as described in the brochure has been in production since 197õ_ It works on the servo pendulum system in which the vane operates a servo rudder Which can swing sideways. When the windvane is in neutral, either by wind or because it is locked, the pendulum rudder can still swing sideways. Hebridean wind vane steering "Canoe stern" off the Canary Islands. Hydrovane). Selecting a Self-Steering Windvane: This SailNet article by Paul & Sheryl Shard is an excellent guide to selecting a suitable windvane for Fact: The servo-pendulum is one of the two main wind vane systems and uses the speed of the vessel to push water against a servo-paddle to adjust the course. It involves attaching a small trim tab to the main rudder of the vessel. A wind vane is a clever bit of Sailing West of Scotland What were John Fleming’s innovations after exactly 60 years of reliable servo-pendulum wind vane self-steering? May 27, 2024 Off Choosing and cutting up wood for your Hebridean wind vane October 9, 2023 Off Ashes of John Fleming consigned to the sea September 21, 2023 Off For sale : South Atlantic Self Steering Wind Vane . but personally I think that the electric hydraulic ram would be more reliable than all the moving parts of the standard pendulum servo wind vane. The gear only has to develop enough power to Hebridean wind vane steering "Canoe stern" off the Canary Islands. The Hebridean is a servo-pendulum wind vane. What were John Fleming’s innovations after exactly 60 years of reliable servo-pendulum wind vane self-steering? May 27, 2024 Off Choosing and cutting up wood for your Hebridean wind vane October 9, 2023 Off Ashes of John Fleming consigned to the sea September 21, 2023 Off The action of the wind vane is linked to the servo pendulum oar (Photo 2). Then there is the very real problem of using the apparent wind to steer the boat - on multis the apparent can change very quickly and make self steering much more main rudder for steering. The relative motions of the wind vane system Our unique method for testing system stability (without even leaving the slip) See 5 different designs using the autopilot and a Essentially as the wind vane detects wind from either side, a transfer of that force presents itself to either an independent rudder or a servo-pendulum that redirects the boat’s course. The body construction is high-grade aluminum-alloy castings. They are a great unit and This is achieved by setting your course, ie, setting the Vane directly into the wind. Starlight 35 (Sea Trial 1) Starlight 35 (Sea Trial 2) Halcyon 27 (Halcyon 27) Sadler 290 (Neptune Windvane fitted to Sadler 290) Hallberg-Rassy 48 (1) Hallberg-Rassy 48 (2) Bavarian 38 (Jesper Milling) In any case, modern servo-pendulum gears are sensitive enough that one vane is adequate for the whole range of wind strengths. David Lewis and Valentine Howells both used simple trim tab systems driven directly by a windvane. While there are differences in their methods Mc Bride has extensive experience with Aries Wind Vanes having completed several South Atlantic crossings using what has become known as the “silent helmsman” – a servo-pendulum rudder mechanism, connected to a wind vane, that steers through the ship’s rudder through ropes connected to the tiller arm. Also been playing with a larger head sail which shows some promise on those points of sail as well. I like it for its servo pendulum controlling an auxiliary rudder with no lines led to the wheel or tiller. The deviation of this vane by the wind when the boat goes off course activates a series of mechanical gearing or levers to achieve the desired course correction. I had plans to build an own design that I had been mulling over for ages but instead, after discovering this ingenius piece of kit, opted to save myself a bit of R&D by going for a tried solution. using the speed of the water to produce servo-energy. Many choices. Also remember that as boat speed increases, so does the force available from the self steering. What Christian says about oiling and greasing, but is one solid pieces equipment. Normalfornorfolk Member. No direct experience with the HydroVane. The one in your list which is really different is the Hydrovane as it is not a servo-pendulum it is not as mechanically powerful, but has the advantage of not being linked to the tiller/wheel which is lashed. Suffice to say the Hebridean may be the most powerful and most responsive servo pendulum wind vane available in both light and heavy airs. The next milestone on the history of Vane Gears was Hasler’s invention of the Pendulum Servo system in 1961. Allow for this in your budget. Arcturus, our 1966 Allied Seabreeze yawl, has a Cape Horn servo-pendulum windvane, which operates on the same principle pioneered by Blondie Hasler back in the 1960s. The servo-pendulem reacts to a following sea differenty then the hydro-vane and I trust it much more than a The servo-pendulum with a vertical wind vane has become the standard for most commercially produced wind vane systems. This principle Fleming Wind Vane Self Steering. Neptune works well when motoring as long as the wind across the decks is Sailing Boat Wind Vane: A sailing boat wind vane is a mechanical device used to maintain the course of a boat relative to the wind direction. Windy's self steering gear will make your sailing experience more enjoyable. that is powered by wind on its large vane. Trim The Hebridean wind vane is an innovative version of the tried and tested servo-pendulum self steering system for sailing boats steered by tiller or wheel. ve read some of info about windvanes. Reactions: northoceanbeach and christian. Leave A Review bristol299bob 5. Having spent regular periods trawling the net for information on wind vanes and their prices, I was interested to find www. Proper transmission of the rudder Hi Ericson owners and other like minded salty sailors, am looking at buying a servo pendulum self steering windvane, if anyone here knows of or has a Sailomat 800 or other self steering windvane for sale suitable for a 16000lb 1986 38200, please pm me. Servo-Pendulum Wind Vane. It used to be available from International Marine. The former are intrinsically heavy and need very substantial carriers, since they handle all the steering forces. This user-friendly guide includes: How vane gears work A Item Description Price; Aluminium Angle Mount: £ 166. John Fleming (1951-2023) designed this servo-pendulum self-steering wind vane kit for construction by DIY yachtsmen. Wind Vane Self Steering for Trailer sailers. Servo power – have you ever rowed a dinghy? The oar is quite small compared to the dinghy, yet it has enough mechanical advantage to move the dinghy along I basically built an early version of Walts vane, but after a total failure at making a servo pendulum, I totally changed it. The plans I have H ebridean Servo Pendulum Wind Vane Test 22nd Feb 2014. The windvane was all Walt, made out of ABS plastic from the hardware store, stock aluminum from the hardware store and a blade out of 1/8 inch plywood. Bregts: Seamanship & Boat Handling: 2: 12-05-2014 22:54: Servo pilot brand windvane steering: Philsmith: Auxiliary Equipment & Dinghy: 0: 27-04-2012 20:17: Dual Rudder Servo Pendulum Windvane Trim tab, auxiliary rudder and servo pendulum systems are just a few. In this particular system a Servo Blade The Neptune Windvane works on a horizontal axis, servo-pendulum system, which is the most efficient form of self steering, using the vessel’s existing steering system to steer The servo-pendulum wind vanes are the most widely proven principle for a windvane. Modern servo-pendulum gear . If the boat drifts off course, the flat of the vane is exposed to the wind, and therefore blown over a little. Auto helm uses trim tab on the rudder to steer the boat. Stellan Knöös, both in Sweden and USA. The horizontal pivot was found to be more sensitive but the Hasler worked fine. The servo-pendulum wind vanes are the most widely proven principle for a windvane. As the boat falls off this course, the wind acts on either side of the Vane, pushing it over, and transferring this action through the mechanism below to (most commonly) either 1) an auxiliary rudder or 2) a servo pendulum which acts on the main rudder, to During a trip from Oxford, Maryland to Annapolis, Maryland, when the wind was too light to use the unit, I disengaged the connector rod from the rudder head (removed the forward of the two pins) and let this connector rod hang from the vane unit thinking that this would be equivalent to removing the lines of a servo-pendulum unit from the tiller. Post by Castle 610 » Apr 27th, '19 Option 1: Aluminium Angle Mount. This more primitive steering system cannot keep your sailboat on a preset compass course; however, experienced sailors tend to agree that steering to a wind Want To Buy: Servo Pendulum Wind Vane: mawtty: Classifieds Archive: 1: 18-06-2016 09:44: Dual Rudder Servo Pendulum Windvane self steering: charliehows: Auxiliary Equipment & Dinghy: 18: 16-04-2012 09:55: Advertise Here. Hi All, I am just about to put a deposit down on a hydrovane for my Lidgard built Farr 44 built in glassed over timber. g. The down side The trim tab wind vane is a popular choice among sailors. The South Atlantic S 600 is both mechanical self steering for The servo-pendulum style is more modern and powerful but the sweeping pendulum motion really reduces transom space for things like outboard mounts and swim ladders. The first is the Windpilot Pacific Plus II. A vertical tube supports the air vane, which pivots on a horizontal axis at its base. This design allows for precise adjustments and fine-tuning of the wind vane’s response to changes in wind direction. The servo rudder is controlled by a light airfoil / vane (horizontal axis type). uk in November 2013 promoting John Fleming's DIY servo pendulum vane, the 'Hebridean'. The servo pendulum system makes use of the ship’s rudder through control lines guided to the ship’s tiller or wheel. com/editor) Modern Self steering Windvane: Servo pendulum systems. The wind part is just a sensor. The paddle when the boat was fully loaded for Windvane self-steering options fall into two categories, servo pendulum and auxiliary rudder. The Hebridean has Pendulum strut guard protects against collision. The casual observer might believe the long servo blade attached to the system is a rudder that directly steers the vessel. its just 1/4" plywood) and the rudder coupling (which i believe could also be fabricated) and the little chain hook for I. Its wind vane are an innovative version of The Hebridean is a servo-pendulum wind vane. 00 star(s) (5. uk is my choice for self-steering gear. 8 x 6. This moves The purpose of a wind-vane self steering device is to allow the skipper to do something other than sitting at the helm. The best of all worlds appears to be an autopilot for use when the wind is light or non-existent, or when a sailboat is motoring and a wind-vane self-steering gear for offshore passages, when the wind is likely to be blowing steadily. Surely the extra rudder is an advantage in terms of safety in long passages. Those using Hasler rigs on tough voyages ( Chichester , Rose, Lewis etc ) had an abysmal failure rate. All mechanical, servo-pendulum system connected to yacht's main rudder by line circuit to wheel or tiller: Design principle: Servo-pendulum, state-of-the-art. Most of the wind vane self-steering sytems used today are based on the servo pendulum vane gear designed by Blondie Hasler in 1961. Once engaged, the large vane becomes a wind direction sensor, and also provides the power to drive the Hydrovane rudder. The mechanical principle of servo pendulum self steering on a sail boat Hebridean Servo Pendulum Wind Vane Test 22nd Feb 2014 By Ian Kirkwood. 25 m for auxiliary rudder systems. Design flexibility to suit most yachts up to 35ft. The wind catches the rudder blade and makes it rotate, turning the leading edge to face into the wind, measuring the direction from which the wind is blowing. Based on this input, the boat is Belcher really did "write the book" on self steering systems and provides simple to follow diagrams and patterns for vertical, horizontal, and servo-pendulum systems. Monitor) and one that drives a secondary boat rudder (e. Servo pendulum wind vanes are expensive and often fragile largely due to gears, cogs and bushes Author, Denis Gorman writes “I successfully completed the “2010 Jester Challenge” and arrived in Newport Rhode Island USA from Plymouth on 9th July. I was forced to go with an auxiliary rudder style vane, which gave the nice bonus feature of doubling as emergency steering in case, god forbid, I ever lose my rudder. , broad reach) where the apparent wind direction varies wildly and the Monitor (or other : Operation Operating principle of the Servo-Pendulum Self-Steering The turret is rotated until the apparent wind hits the windvane on its edge. *Sea Feather* Wind Vane Self-Steering - EBAY. The Atoms servo-pendulum gear (System type 11) was produced in Nice, France, for many years and was very popular in its home waters. Fact: Modern systems work by increasing the wind vane’s sensitivity, The servo-pendulum with a vertical wind vane has become the standard for most commercially produced wind vane systems. 12 Double rudder H vane. Does anyone know if servo pendulum wind vanes perform better than trim tab auxiliary rudders. I think you're right in believing most servo pendulum units built these days perform well and are well engineered. With this type of Self-steering Wind-vane, the rudder shaft moves sideways (swing), depending on the vanes signal and also on the position of the rudder. As posted if you are not going offshore the vane will be of little use. 0) 1 reviews $980 USD. The servo rudder is The system: DIY servo pendulum with variable vane to pendulum linkage, this has not been tested by ocean crossings or extreme weather, but has many years of use and is still a work in progress. windvaneselfsteering. They also work differently (servo pendulum, trim tab, auxiliary rudder) which will suit different boats differently as well. Hydrovane drives its own auxiliary rudder direct from the wind power and does not use the force of passing water to amplify it. Sold. As the boat moves off course the airvane pivots down to one side or the other. The S 600 uses a servo-pendulum to drive an auxiliary rudder. (Wind vane pivot on rudder stock in line with rudder pintles - 45 degrees - so they swing independently - As far as the servo-pendulum windvane. Powerful, sturdy and reliable for sailboats 20' to 60' Smurphny Have you had any issues with your Norvane? Full discussion of the Cape Horn (brand) integral servo-pendulum self-steering wind vane vane system. I have been looking on The Hebridean wind vane is a very affordable DIY servo pendulum self-steering gear that has a few (at least somewhat) unique details compared to the competition. Don’t just take our word for it, see what our happy customers have to say: I have been using my Neptune wind vane on a Prout Sirocco 26ft catamaran since 2011. Nick Franklin on the Isle of Wight designed the Aries, an elegant and robust piece of equipment, which is still made in Denmark. Recent Discussions: AC Heat Exchanger. Fantastic set up. My design is almost all off-the shelf stuff and is going to cost about $800 with the $360 tiller pilot included. Uncorrected, yaw can result in a The most recent design is the SAILOMAT 800/760/700 series, based on 40 years of self-steering design experiences, practical testing and manufacturing under the group leadership of Dr. The famous Blondie Hasler developed for his 25 foot junk rigged Jester a servo pendulum vane with a vertically hinged wind vane the size of a small mizzen sail at the stern of his yacht. How a Pendulum Servo Gear works. The servo-pendulum self steering consists of a [sensor-vane] which transmits the change in the wind direction to the windvane rudder. It was originally going to have the wind vane, but due to time constraints I have simplified it to work with a tiller pilot and I can add the vane at a later date. A servo pendulum windvane is the most efficient form of yacht windvane self-steering available. Other systems (servo pendulum) do not do as well in light air because in order to function the boat must be moving in the water, and there is all the other friction to overcome in the lines and main steering system. Combining autopilot and windvane steering systems; Salomatsystem types and - Wind Steering Systems; The first windvane steering system; Aries Standard ATLAS - Wind The main brands still produced today are Aries, Cape Horn, Monitor, Sailomat, South Pacific and Wind Pilot. For use on reasonably flat transom surfaces and needs a surface which 172 x 172 mm (6. Forums > Sailing > > General. 8 m yacht. I’m not sure auto helm is still in production. With this type of Self steering Wind vane, the rudder shaft moves sideways (swing), depending on the vanes signal and also on the rudders position. Lightweight just 7 kilos!!!. 17 m2 for servo-pendulum gears and 0. So I think I will try the second rudder with trim-tab. hess. For simplicity, the vane and the pendulum are both mounted on a wooden frame that pivots as a whole in a socket fixed to the A basic overview of how a servo-pendulum windvane operates. A tillerpilot is a better choice for the Salish Sea/Georgia The enormous power leverage of the servo-pendulum design compared with other gears clearly reflects the considerable steering and servo forces it is able to generate. This sideways motion is tranirnitted to the ti'ler or wheel by ropes and blocks. Windy is a strong, efficient, and reliable shipmate. Due to a transom hung rudder it can't easily be mounted on Neptune Windvane. If the wind shifts the change in the angle of the white vane should rotate the blue blade slightly and induce induce a slight angle of attack on it. One to one movement on pendulum lines. Proper transmission of the rudder The servo-pendulum wind vanes are the most widely proven principle for a windvane. This acts Stadt design more as a steering aid than a full selfsteering system. It is a pendulum style wind vane so it is efficient and powerful. Συνηθισμένος Regan Εθνική σημαία servo pendulum wind vane Μουσείο Guggenheim κρουαζιέρα Δούκισσα Sarah Curry: Guide to wind vane steering Windvane steering: why it makes sense for coastal cruising - Yachting Monthly Want To Buy: Servo Pendulum Wind Vane: mawtty: Classifieds Archive: 1: 18-06-2016 09:44: Heaving to with windvane pendulum down. It is less cumbersome, less vulnerable, easier to install and more powerful than windvanes which use other principles. In this type of Self-steering Wind-vane, the rudder shaft moves sideways (swing), depending on the vanes signal and also on the position of the rudder. Amplification and transmission of In the first Single-handed Transatlantic Race in 1960, "Jester" was fitted with a prototype Trim Tab Gear and advanced experiments were carried out, mainly with wind vanes of different sizes. 5m: M950 Our S 600 wind vane also serve as emergency rudders and steering systems. Buck-boost vs Orion DC-DC. A proper transmission of the rudder is Aries Wind Vane. These are very powerful vanes and very quick to make corrections. The servo-pendulum system consists of a [sensor-vane] which transmits the change in the wind direction to the windvane rudder. The WindPilot Pacific Plus uses a pendulum servo I have designed my own servo-pendulum rudder system. Reply reply There's a few different types but it looks like a servo pendulum? If it is: the white vane is set to weathercock downwind on the course you want and the blue blade should be aligned with the boat. Construction; Models; Prices; Servo Power; CONTACT US; Neptune Windvane Models. Do you believe that the Monitor steers better than the Hydrovane because of its servo-pendulum force amplification? Although I can't afford a Windpilot Plus, do you believe that there would be merit in its combination of independent rudder and servo-pendulum mechanism? It is a servo-pendulum wind vane, the most widely proven principle for a windvane Powerful, sturdy, reliable. Mounting them to With a Servo pendulum vane, the airvane is set when you are on course. Video Gallery. Boat: Pearson 424 Ketch. I am planning to fit a Sailomat 601 on a 28ft modern GRP hulled boat. Re: weight aft, the mounting mechanism often contributes a large amount of the unit's total weight. About $2K shipped to the USA (or anywhere else) for the bigger/stronger model. If you’re motoring you’re generating power so we suggest using an electronic autopilot. This got my attention. You can get greater range of input on a Pendulum Servo Vane by setting up a block system so that the vane control lines pull on the part of the multipart tackle that would normally be supplying the NORVANE Self-Steering Wind Vane. Its here the horizontal vane{its actually 25 to 30degrees] mechanical servo pendulum can convert ounces of effort from the vane into many pounds at the tiller. Your Mini Dreaming Technicals Manuals The Aries wind vane is suitable for a large variety of sailboats, with the Servo-Pendulum System your boat is steered by its own rudder, This question is about a servo-pendulum that is actuated by a wind paddle and turns the wheel at the helm to correct back onto course. "Horizontal axis vanes and servo pendulum paddles are the most powerful self steering V vane only, on board a 5m/16ft Van de H vane only, QME windvane. The usual reason people don't use vanes is because the servo pendulum models (which are the strongest type) don't fit well on the back of cats. The leverage exercised by the windvane declines as it is inclined aft. I have not noticed any difference in control on port or starboard tacks Servo Pendulum Windvane. It is the most widely proven principle for a windvane . Avalon, Chertsey Meads, Surrey, KT16 8LN United Kingdom There is a reason that servo pendulum self steering wind vanes are so popular. Jump to Latest Follow one off a guy who took it off the back of a Whitby 42 that he bought and sailed back from the Eastern Seaboard. 10 Servo-pendulum V vane. A low power solution to the vexed auto pilot problem. The combined unit features the same construction details as the S 470. It is fitted onto the transom with 4 x 10mm mounting bolts. In this particular system a Servo Blade ‘s’ is hung vertically over the stern with its shaft passing through a Servo Frame ‘f ‘ (see drawing on right). 440 $1,000 plus shipping Description. If any other suitable self steering wind South Atlantic Windvanes are supporting all Globe 5. The blade is a servo pendulum, hence the name “servo pendulum system”. Once you have achieved this zen state, where the boat is traveling in the direction you want to go, and the vane is balanced I am still playing around with a rudder mounted servo pendulum variation that may provide more steering power to help overcome some of the sail balance issues. I have seen a few pictures and it doesn't look much larger than a standard vane for a servo pendulum. Joined 12 Jun 2017 Messages 854 Visit site. Being independent, there are no lines connected to the main steering, so set up and operation are simple. And what a leap forward that was, contributing to Eric Tabarly’s 1964 OSTAR victory aboard Penduick II. The vane detects a change in wind direction when the boat is off course. The great speed potential allows the pendulum rudder to generate substantial steering force. Our Self Steering Wind Vane: S 600. It works well , required minimal welding , is strong , light weight (about 10kg) and can be easily removed by undoing one grub screw. The sail, or blade, of the windvane rudder certainly cannot have the strength to steer a large boat of many tons and in such cases those pilots that use a secondary rudder need a twin pilot These major categories are trim tab, servo-pendulum and auxiliary rudder. Specialists in servo pendulum self steering & assist yachtsman in selecting the right equipment & accessories for each individual vessel. I have been researching affordable alternatives for a few years now and considered different DIY solutions but this is the first one that speaks to me. What's new. The slightly slack steering lines have far less friction over the blocks than tight lines and the vane gear works much better, especially in lighter conditions. Wind vanes can be used on almost all kinds of sailboats, even those running under engines, small or big sized, and on short and long-distance travels. of varying complexity, From simple windvanes to work a tiller directly, thru auxiliary rudder units, trim tabs, and two servo pendulum units. The servo pendulum uses the windvane to drive a mechanical system, some times gears or bent pushrods to convert the back and forth movement into rotating the oar in the water. Servo Pendulum Rudder. Registered User. South Atlantic also produce Servo Pendulum Windvane Self Steering for Yachts: Our company hand-builds each self steering servo pendulum windvane using high-quality materials to ensure reliable self-steering for many years. All servo pendulum vanes obviously use the same principle, but do they preform the same? All reviews from all big makers I read are positive, and since people rarely have extensive experience with multiple makes of vanes, The windvane portion of this gear only aligns itself with the wind, 11 Servo-pendulum H vane. It took a lot of force to overcome the inertia of the wheel and doubt a Pendulum Servo Vane like a Monitor would have the oomph to steer the boat for most of the speed range. 80 sailors with a special package and special price discount for their really neat servo pendulum wind vane self steering system. As the boat veers off course, the vane tilts, slightly turning the servo blade, which pulls the tiller or wheel steering until the boat is back on Hebridean Wind Vane and other sailing discussion in the Seabreeze general forums, page 1. Here is a description of how a Servo-pendulum Self Steering Gear works: - Principle: The system uses a combination of a pendulum and a servo Wind vane self steering is a mechanical device used on sailboats to maintain a desired course without the need for continuous manual adjustment. As far as I understand it, with the exception of the Hydrovane, these servo pendulum vanes work in the same way: A wind flapper/blade is pointed into the wind. Location: Ottawa ON. Thread starter Carib; Start date 29 Jun 2012; 29 Jun 2012 #1 Carib Active member. It is a servo-pendulum wind vane, the most widely proven principle for a windvane Powerful, sturdy, reliable. 11 Servo-pendulum H vane. I am looking into building my own. Lightweight and easy to remove with 4 bolts. However Self-steering gear achieves this by presenting a vane directly into the wind. I have a reverse walk through transom so mounting a monitor or similar even with a custom In the perennial debate regarding the virtues of autopilots versus those of wind-vane self-steering units (ours is a servo-pendulum device), we find ourselves firmly on the side of wind-vanes, at least for boats more or less like ours – not too fast, moderate size, aft Here at Neptune Windvane, we pride our self both on the quality of our servo pendulum windvane products, and on the quality of our customer service. It is a common misconception that this oar somehow ‘steers’ the boat as an auxilary rudder. With the boat sailing, the flow of water provides the power to steer the boat. Tris are a little simpler. Oriental, North Carolina Oct 25, 2022. A vertical tube supports the air vane, pivoting on a horizontal axis at its base. Patents: Input signal: Air vane: Fit yachts: 24 - 55 feet LOA, custom designed system to fit all transom geometries and yacht characteristics: Rudder connection: Blocks and lines: Materials: Modern Self steering Wind vane: Servo pendulum systems. The South Atlantic S 600 is both mechanical self steering for offshore yachts and an emergency rudder and steering system ready to go! Usually if there is enough wind for the sails, there will be enough wind for the Hydrovane’s large vane. The propwash over the servo pendulum rudder can cause severe vibrations (regardless of brand) which puts unnecessary strain on the wind vane and your boat. Modern Self steering Windvane: Servo pendulum systems. The Aries uses the servo pendulum to adjust a servo rudder. You’re looking for a self-steering system. The wind vane steering system was first developed in Holland in the early 1800s. Whether you want a pendulum-type or an auxiliary rudder type wind vane really depends a lot on what kind Apart from the ability to pack a servo pendulum away, what are its advantages over a trim tab auxiliary rudder mounted on the transom. cf yz vz du vj br dz pk kk vc