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Wrong Motor | 56 comments (56 topical, 0 editorial)

Re: Wrong Motor (3.00 / 0) (#35)
by ghurd on Thu Aug 28th, 2008 at 07:29:13 AM MST
(User Info)

Much better!
Still not a great motor, and the blades are probably not a good match to the motor (PVC blades are somewhat forgiving), but the chances of it working just went up a lot.

I am quite confident they will reach charging voltage.
I would expect charging to start at about 0.1875 x drill RPMs.
The 0.1875 is from the drill test (15V charging voltage / 80V tested).
But you never can tell if the motor knows the math! Many of mine do not.

I hope you learn something from it, and have fun. The next one is easier.

Great emphasis needs placed on the current site being VERY bad.
It will need to be in a spot with nothing in front or behind. Or higher.
I get nothing as soon as the trees bud in spring. Your trees look more dense than mine.
G-

[ Parent ]

Re: Wrong Motor (3.00 / 0) (#37)
by adaml on Thu Aug 28th, 2008 at 09:42:53 AM MST
(User Info)

Hi Ghurd, Thanks so much for your continued support. I have ordered a totally different motor, my calculations should give approx 12v at 180rpm in 5-10mph winds, has been shipped so getting excited! Found an old post on here where someone else had brought the same motor as this and gave up, someone else posted they were no good....you live and learn and is all fun! This turbine is to go on top of a hill on an island in the Adriatic so hopefully lots of sea breezes. For mine I will go a lot higher to clear as much wind interference as possible.
Will also try to reshape my old larger blades for a bit more experimentation. The small ones went last night in a breeze with a push to get them going so I think I am also suffering with this "no good" motor from cogging, if that is the correct term?! Thanks again Ghurd, wish I had found this forum long ago!

[ Parent ]

Wrong Motor | 56 comments (56 topical, 0 editorial)

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