Home Brew Hydro: A small hydroelectric project: alt.energy.homepower archives. These guys helped me out A LOT |
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Home Brew Hydro Saga MK I: Early turbine and generator MK II & III: New alternator and couplers MK IV: shaft bearing and real world use Coanda Effect water intake (New Rain Update!) alt.energy.homepower discussion
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Full plain text message | Fixed font - Proportional font Subject: homebru hydro update: mixed results Author: z Date: 4 Nov 2007 I've been working on a hydro-electric setup for my house: http://www.jeffersonfreestate.org/hh/ I've got it plumbed into my pond feed and have been testing and modifying it. I lent my camera to a girfriend and she's not returned it so no new pics. In any case after changing the plumbing and building some brakets that let me aim the jets better I was very very happy with the crazy amount of power potential in the system. I can spin the penton wheel like a madman -- i'd say at least 2000 rpm and thats with only one jet. I had to build a rubber gasket generator mount to help moderate the vibration -- but its amazing how fast that sucker is spinning when you crank it all the way up. Hard to say how fast its going, but its fast. It sounds a lot like when I redline my tii :) So the jet and water design part seems to be pretty good -- the bummer is the generator appears to be no good. It never gets above about .5 volts and negligable amps, no matter how fast you spin it. I'm not surprised since its so old, but I was expecting a lot more. Given the amount of power the water seems to have I think its probably worth while buying a good PMA generator of some kind i'm going to take the generator apart and see if there is something obviously wrong with it. Also there is a joint that rebuilds them a few towns away, but probably should just bite the bullet and get the real thing. So thats it so far. Water+jet+Wheel design = good. Generator = bad. if anyone has a contact for good PMA generators or the like please chime in! cheers -z
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