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Bigger-box VAWT on real PM gen failed so far... | 21 comments (21 topical, editorial)

Re: Bigger-box VAWT failed so far... (3.00 / 0) (#11)
by DamonHD (d@hd.org) on Fri Oct 19th, 2007 at 09:11:36 AM MST
(User Info) http://www.earth.org.uk/

Thanks for those!

Well, I shall try peeling back the main flats to approximate the deisgn in the first link, and may use the cut-outs or a bottle to make the inner rotor!

Rgds

Damon

[ Parent ]

Re: Bigger-box VAWT failed so far... (3.00 / 0) (#18)
by DamonHD (d@hd.org) on Wed Oct 24th, 2007 at 06:30:55 AM MST
(User Info) http://www.earth.org.uk/

I've tried pulling flaps inwards, and we have a little wind here today, but still no rotation of the big box even though everything else in sight has spun!

Rgds

Damon

[ Parent ]

Re: Bigger-box VAWT failed so far... (3.00 / 0) (#19)
by DamonHD (d@hd.org) on Wed Oct 24th, 2007 at 07:48:10 AM MST
(User Info) http://www.earth.org.uk/

Sample pic here:

http://gallery.hd.org/_c/mechanoids/_more2007/_more10/turbine-wind-small-VAWT-Benesh-squared-off-pro totype-made-from-large-cardboard-box-on-real-Permanent-Magnet-PM-generator-11-DHD.jpg.html

Rgds

Damon

[ Parent ]

Re: Bigger-box VAWT failed so far... (3.00 / 0) (#20)
by Norm (peppysue@suite224.net) on Wed Oct 24th, 2007 at 08:48:57 AM MST
(User Info)

I've built your box type and I've built lots of
Savonius type out of buckets, plastic cups,and such....
I've come to the conclusion that they
work better and are easier to make than boxes....
no need to be good at making curves
when they are already there.
as in #8
( :>) Norm
( :>) Norm
[ Parent ]

Re: Bigger-box VAWT failed so far... (3.00 / 0) (#21)
by DamonHD (d@hd.org) on Wed Oct 24th, 2007 at 10:38:37 AM MST
(User Info) http://www.earth.org.uk/

Yes, well, I'm definitely up for trying out the dustbin version ASAP: thanks for the pic!

Rgds

Damon

[ Parent ]

Bigger-box VAWT on real PM gen failed so far... | 21 comments (21 topical, 0 editorial)

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