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This is the Screaming Vortex, a giant human-powered vehicle that uses 7-foot fanblades to propel people down the railroad tracks. This footage is from the Handcar Regatta in Santa Rosa, California.
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Thats really cool! I wouldn't want to end up in front of it though...
That is pretty cool! It looks exhausting though :P
this would be cool, I think, if we could actually SEE the way the vehicle was built and works like in an INSTRUCTABLE
Here's a photo gallery of all the steps I took to make it:<br><br>http://www.flickr.com/photos/andygrahamproductions/<br><br>As you scrool down and click NEXT, you will go further back in time all the way to the building of the blade hubs.<br><br>-Andy

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