h a l f b a k e r y
Expensive, difficult, slightly dangerous, not particularly effective... I'm on a roll.
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To create an attractive form of wind power, attach a sheet
along the top and bottom to a series of push rods that
rotate a crank
shaft as the sheet oscillates in the wind.
This is clearly not the most efficient method, but pretty.
spent ages watching the world's largest flag slowly
(and tearing itself apart).
a taut membrane fitted with a pair of magnets that oscillate between metal coils. [baconbrain, Aug 25 2011]
Not flags... sails.
[2 fries shy of a happy meal, Aug 25 2011]
||I actually worked on such a contraption, with a
inventor. We used strings to pull a small oscillating
magnets device (straw with small magnets inside
windings around it).
||It gave too little power so we abandoned the idea.
And moved on to a similar but better idea. (Similar
to my ground sail idea).
||I have videos of giant flags constantly billowing day
and night winter and summer, for the
presentation we were preparing.
||Some fellow made a small wind-power generator out of an oscillating taut ribbon and magnets (how do they work?) and coils.
||HA! I knew it would work. [link] Thanks [baconbrain].