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: eeked out another 8 volts on the hydro Author: z Date: 18 Oct 2008 Doing a little tuning now that winter is here. Starting with the connections I used a larger T on the 1-1/2 inch line and then stepped down to the 3/4ths at the last possible section before the nozzles. Also took apart all the connections and dremmeled out the steps to help a smooth transition between sizes, rather than having hard edges going from like 1-1/2 inch to 1 inch and then to 3/4 ths -- kind of like you would to port and polish an intake manifold for an engine. I'm still trying to get a large Wye rather than a T. I have access to a fire hose Wye but making the quarter turn connection (wildland firefighting) to NTP is somewhat difficult. Also saving up my pennies to move to two inch rather than inch and a half, which should nearly double my output according to the math. Its not cheap though.. so I might hold off on the wye biz till I upgrade the main pipe. Also moved the nozzles as close as I could get to the pelton wheel without hitting it.. I'm getting around 40 volts open running where as before I'd get maybe 30-32. Now i just need to redesign the brakets to keep it aimed better, but i'm getting ready for some serious rain. Still can only run it about 10 hours a day now.. come the RAIN! cheers -zachary btw: here is the system http://www.homebrewhydro.com but its a bit outdated
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