Help me build a windvane - SailNet Community

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post #1 of 35 Old 11-26-2011 Thread Starter
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Help me build a windvane

I have been looking for a windvane but i havent been able to find any used vanes under around 1500 or so so i have decided to build one myself does anyone know hopw i can go about doing it. like plans step by step instructionms materials etc or a website or book would be appresciated thanks oh and the boat is a contest 30 the original one with the doghouse so loa around 30 feet 6 inches without the bowsprit and displacement loaded around 10 000 pounds maybe a bit more long fin keel large heavy skeg mounted rudder its a masthead rig just if it helps to know its not fractional
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post #2 of 35 Old 11-26-2011
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I've seen plans online to build them out of PVC, perhaps you could make it work by using different material.

On review, the bookmark I have is no longer functional.

Sorry.
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post #3 of 35 Old 11-26-2011
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Here's a book you can download free that explains all types of vane steering:
http://windpilot.com/n/pdf/bookeng.pdf

Look at the Norvane as well. It is well made, gets good reviews, and is not too far out of your budget. NORVANE Self-Steering Wind Vane. Stainless steel, servo-pendulum. Powerful, sturdy and reliable for sailboats 20’ to 60’

Brian
Living aboard in Victoria Harbour
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post #4 of 35 Old 11-26-2011
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Wind-Vane Self-Steering by Bill Belcher is out of print but used copies are available through Amazon for $40+ The book tells how to do it yourself.
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post #5 of 35 Old 11-26-2011 Thread Starter
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thanks everyone i think ill get the book, and check out the one online too. Do you know what the difficulty levelin building is for somone with no real engineering or math backround would it be relativelly straightforward. and again thanks for the suggestions sounds like a good start.
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post #6 of 35 Old 11-27-2011
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How is your machining ability, and access to tools? Got a lathe? Milling machine? Drill press? Access to raw materials? Metal casting ability? Bronze, stainless steel, UHMW? Can you tig weld? If not maybe you could find an old frozen Monitor, or Aries that would be easier to repair than re inventing the thing. I have all the tools, materials, and ability, I still bought a Hydrovane....
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post #7 of 35 Old 11-27-2011 Thread Starter
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id say nonexistent i mean ive never worked with metal before, unless soldering electrical connections count, so im guessing thT MEns i ahould go the used route but what is the cheapest i could get a windvane for that i could repair, a few hundred i suppose, but where do these get old all ive seen is used monitors for upwards of 3 grand and i have about 1500 to budget max but in all honesty thts me stretching it if it were a few hundred id be much happier. as dor tools i could always rent them or borrow from a friend im oretty sure i know somone who might have them btw does it have to be made out of metal or could i mold one in fiberglass with hardwood coring
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Most monitors I have seen used as well as other brands for reasonable prices need re-building.

You could certainly mold the rudder blade out of fiberglass but that is the easy part - it is the mechanism that is complicated and needs stainless or aluminum as well as smooth bearings. For any welding there are competent shops that can do that for you. Many home made vanes I have heard about take quite a bit of fiddling to get right.

Go through the book I linked to - it is very complete and explains all types of vane gear - decide what might be best for your boat and budget from that.

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post #9 of 35 Old 11-27-2011
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Walt Murray's website | Mister Vee wind vane self steering

CR
s/v NEMO - Freedom 28 Cat Ketch, centerboard
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post #10 of 35 Old 11-27-2011 Thread Starter
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i actually breezed thru it yesterday and i got the impression that the mechanism for a vertical or a servo pendulum seems pretty simple although i di only skim it, if i do choose to rebuild one where can i find them im thinking maybe rebuilding a navik because they seem cheaper or one of those discontinued vanes from the 70s but the thing about that book is it didnt have as much on how to build it as how it worked but yes from the book i got that having a long shoal fin and a skeg mounted inboard rudder pretty much i can go with anything exceot a trim tab and im inclined to go towards either a vertical or a servo pendulum vane because they have better damping than a horizontal vane now from the looks of it all i have realy is a giant propeler type thing with a rudder on one end and a wind blade on the other that when it is pushed tugs on the tiller or have i got it wrong
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