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  #1  
Old 06-27-2008
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Raymarine ST40 Wind

Hey guys;
My slip buddy just offered to give me a Raymarine ST40 Wind indicator for my sailboat, The only problem is that the setup is for a powerboat it has a (if I read it right) rotovecta (no vane, tea cups only) transducer, not the usual tea cups and vane. Can I use this setup on my sailboat or do I have to get a diffrent transducer? I'm going to accept it from him because the price is right (free) but not sure if I can use it as is.
Thanks for your help "Doc" Bob
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Old 06-27-2008
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As I understand it, the rotovectra transducer should work on a sailboat. I think it's just that the wind direction is not as accurate as the other transducer.
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Old 06-27-2008
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I believe QS is correct. You can use it...just be aware when it says you're sailing downwind...since it isn't quite as accurate as an instrument with a real wind vane.
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Always wondered if would work. I see the transducer and it seems a little odd to fit in a top of mast, not sure if the that token would pose too much windage, and not sure if you can run the cable that long. At same time, not sure if would work at deck level as wind suffer interferences. Anyway, for that price, I'd give it a try. Like grandma says "free ? I take even the wrong bus ..." Keep post, it will respond a long ago question ...
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Well guys I lucked out and met a Raymarine rep at West Marine. He said that it can be and is used on sailboats, BUT, it will not work well interfaced with my Raymarine wheel pilot for steering by the wind. To do that I need to go to the ST60 wind insrument as it uses the transducer with the vane.
Thanks for the input I'll let you know how it works
"Doc" Bob
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tks doc ....
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Old 02-20-2009
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st-40 Rotovector wind

I am using a ST60 windi instrument with a rotovector on my Hunter 35.5 and it works just fine. I mounted the rotovector on the top of the mast to get clear air. I also connected the ST-60 with an ST60 WheelPilot via sea talk and it works fine. I assume that the st40 instrument will also connect via sea talk.
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Old 02-20-2009
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Thanks restraub I used the ST40 last season and it works great. I haven't tried connecting it to the autopilot yet (haven't needed that feature yet) but, for the price (free) I'm very satisfied with its performance.
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Old 08-09-2012
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Re: Raymarine ST40 Wind

Anyone know where I can get a replacement wind cup (D240) for thest 40. Mine disappeared in a micro burst. Its out of stock on the Raymarine site and Ive tried other internet stores
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