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Nice Science Fair Style Mini Mill | 21 comments (21 topical, editorial)
Re: Nice Science Fair Style Mini Mill (Update) (3.00 / 0) (#12)
by ghurd on Fri Jan 27th, 2006 at 02:09:29 PM MST
(User Info)

It seems tougher than I expected.  I was waiting for the blades to fail. About 12 weeks of pretty harsh weather had very little effect on the blades.
So I gave up waiting for a failure and just slid out the blade & hub assembly and removed 2" from each blade. More effort was spent on better balancing this time.

As expected, it takes a little more wind to start turning.  
Once it is turning, it turns MUCH faster than the 25~30% I expected it would. Possibly double the RPMs at the same wind speed.

Now I expect the LEDs to light up about the same time my wind gauge will register (6mph).

The 12" blades may be better set at 5 or 6 degrees?

Big Silly Fun!
G-



Nice Science Fair Style Mini Mill | 21 comments (21 topical, 0 editorial)

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