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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) (#7)
by wooferhound (tim((NoSpamAt))wooferhound.com) on Thu Mar 8th, 2007 at 06:15:02 AM MST
(User Info) http://wooferhound.com

How do you deal with the wire twisting inside the pole as the genny follows the wind ?

Most people would NEVER attach the tower or mast to their house. The vibrations will pull everything apart . . .
W o o f -={(

Re: Treadmill motor / generator in the air at last (3.00 / 0) (#12)
by CmeBREW (smke833f@hotmail.com) on Thu Mar 8th, 2007 at 03:35:30 PM MST
(User Info)

Hello Wooferhound:
So far the wire twisting has not been an issue at all. Another surprise. I have been watching it during high winds and not even seen it make an entire revolution yet. I used 3 -8ga single strand wires with the tough plastic sheathing and the windmill actually will turn 10 complete revolutions from one end to the other. Which was very pleasantly surprising to me. I believe you will get more turns with single wires instead of encased wires. I have went up on the roof a few times now to check it, and it has always been right in the middle of the 10 revelutions. This downwind mill turns slower and more steady than a small upwind mill. So 2 or 3 second side bursts of wind do not really cause it to turn much like the fast response on a small upwind mill. So, I believe that is one good thing about it. I have never seen it turn violently. It seems to me that the wind returns back to it's general direction rather quickly--or basicly to that general direction.
Vibration is not too bad either. The motor is basically 'suspended' with rubber washers and o'rings. And the two mounting bolts (5/16" fine) are epoxied (5 min.)into the 3/16" body of the motor. It is very secure. I have yet to get an old black soft rubber car radiator hose to use around the main pole at the house mount braket. This will make it totally silent. I can barely hear it now with just a piece of scuffing pad inbetween. And I have vaulted ceilings and my bedroom is right underneath it. I welded up this angle steel bracket well, and it is lag bolted in 3 different studs in the end roof truse. It is secure, escpecially after I add the permanent guy wires. Right now I have some big rope holding it. Plenty of soft black rubber is the secret -and to not tighten it down too tight. Use Nylon nuts instead of normal nuts and lock washers. Also I put 100% silicon caulk on the threads for extra emotional comfort since i am somewhat paranoid. I will show a picture of the mounting bracket in about an hour. I am working on 'PASSINGWIND - Part 2' right now.

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

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