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Rahai vawt anyone? | 23 comments (23 topical, editorial)
Re: Rahai vawt anyone? (3.00 / 0) (#18)
by TomW on Sun Mar 16th, 2008 at 01:49:03 PM MST
(User Info)

jj;

Well, there are size limits on photos. Any one of those broke that rule and 3 at once fractured it.

Clear now?

 The stupidity thing is his .sig line not necessarily a comment on this post.

Not sure why folks don't "get" .sig lines. They are apopended to all comments from the individual.

You are welcome.

T

[ Parent ]



Re: Rahai vawt anyone? (3.00 / 0) (#19)
by john j on Sun Mar 16th, 2008 at 01:52:32 PM MST
(User Info)

Thanks Tom, Ill try and reduce
Cheers, john j
[ Parent ]


test rig turning, pics (3.00 / 0) (#22)
by john j on Fri Apr 4th, 2008 at 02:53:42 AM MST
(User Info)

Just got the stoneage vawt up. There will be more sets of wings to come. Just wanted to see how it reacts. It starts turning with very little wind. I tried to measure resistance in the very heavy bearing. If I measure correctly, turning of the hub and bearing takes 29 volts and 0.05 amps. Cost so far: about 100 US$
Cheers, john j
[ Parent ]


Re: test rig turning, pics (3.00 / 0) (#23)
by ghurd on Fri Apr 4th, 2008 at 07:43:19 AM MST
(User Info)

Probably work a lot better if the top is covered.  
Just for a quick test, maybe slap a piece of 3/8" plywood on top with tarp straps?
G-

[ Parent ]


Re: test rig turning, pics (3.00 / 0) (#24)
by john j on Sat Apr 5th, 2008 at 05:21:33 AM MST
(User Info)

Yes I think youre right. Only its hard to know any difference, as I dont have an alternator yet. And even then, how would you measure output? Thanks anyway.
Cheers, john j
[ Parent ]


Rahai vawt anyone? | 23 comments (23 topical, 0 editorial)

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