Small savonius for boat

[amiklic1]

I need some advice on building some small savonius type windmill for my boat.

I got 300 Watts lamps and instrument on it, and 200 Ah batteries.

Does anybody know the way to start thinking. I need it to be as small as possible. I plan to make it with some neos and wire, generator under the rotor. Also, what type of bearing to use, to make it rotate with even the smallest winds.

I need it to give at least 5 amps at 12V, that's 60W.

[bparks]

Seems like a collapsable design would be good for a boat, where every square inch of space matters.  Maybe a metal frame that could fold up, and cloth or plastic tarp material for sails?  Do you plan on permanently mounting it?  If so collapsable sails would be good for times when your not stopped.

Brian

[Tommy L]

Hi !

This I found on internet a long time ago, maybe it help you.

/ Tommy L / Sweden

http://www.otherpower.com/images/scimages/631/Micro_Wind_Savonius.html.pdf"

PS. I hope it works, otherwise you find it under my files.

[electrondady1]

is this a sail boat or power boat? when your at the dock you might not be nose into the wind so you need to get it high enough to catch some air. a folding/collapsable design with cloth vanes would seem a natural on a boat.it's a long time since i was on a boat and can't remember the names of things but if your just using it while at anchor, you could clip it onto the jib support line and haul it up.