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Treadmill motor / generator in the air at last ! | 20 comments (20 topical, editorial)

Re: Treadmill motor / generator in the air at last (3.00 / 0) (#1)
by Ungrounded Lightning Rod on Wed Mar 7th, 2007 at 09:31:54 PM MST
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The coils are such big Gauge that I decided to forget furling and risk going all out with the wind and see what happens. Theres no way it will burn out and the ball bearings are big and tough,,so the worst thing could happen is to throw a blade.

The insurance company may not like you if you throw a blade into your roof. Hope you made the hub strong.

Re: Treadmill motor / generator in the air at last (3.00 / 0) (#2)
by hiker (hiker(at)adnmail.com) on Wed Mar 7th, 2007 at 10:18:00 PM MST
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real cool..
can you here the gen when its makin power..
WILD IN ALASKA
[ Parent ]

Re: Treadmill motor / generator in the air at last (3.00 / 0) (#8)
by CmeBREW (smke833f@hotmail.com) on Thu Mar 8th, 2007 at 07:44:20 AM MST
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No. The motor is perfectly quite even when it is running as a motor or generator. The blades are the only thing that makes alittle noise in the high winds.

[ Parent ]

Re: Treadmill motor / generator in the air at last (3.00 / 0) (#3)
by CmeBREW (smke833f@hotmail.com) on Wed Mar 7th, 2007 at 10:19:22 PM MST
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Thanks Underground:
I appreciate what you are saying. Actually, I would fix the roof myself if that happened since I built the house and roofed it myself. For me its easy- i have extra shingles. For others its not. But clearly, some of the things I am showing there are probably examples of what NOT to do. (for MOST people) Such as not furling. I now actually do not believe it was going 2000 rpm in a 60 MPH gust. Maybe 1500. The blades actually make somewhat of an airplane noise only during the worst gust and it actually slows the blades down surprisingly. You can barely hear it though in the normal noise of the severe wind gust, and i'm standing right under it. The rest of the time the blades are very quite. That also was surprising to me. I do always take safety into serious concideration. I use to work on roller coasters, and I've made a few personal machines. Also,I do live way out in the country with no houses nearby, and I have no kids. I am really just doing testing with this project to see what I can get away with- to see how severe winds affect things , including noise--In fact many things. This treadmill project is really just a series of testing to help me design the 500 watt alternator that i am beginning to make at this time. I guess I should have stated that more clearly. I am triing to design a serious downwind alternator. (possibly with some kind of furling) I actually do not encourage anyone to make an alternator without some kind of proper furling. Thanks for bringing that out to me Underground lighting rod.

[ Parent ]

Treadmill motor / generator in the air at last ! | 20 comments (20 topical, 0 editorial)

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