Parallelwindturbine
Parallelwindturbine Inuse2

Tim writes in with a proposal for a collaborative remake –

Saw this on engadget yesterday. I would like to find some other folks who would be interested in working on an open DIY version of this turbine. It looks like some airplane props and a motor. I’m sure there’s more to it than that, but it looks really cool, and seems like the principle could be scaled up and down and in size.

The photo above shows the design powering a 50 watt car headlight – any takers?- Blue