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oh man, read alot of reviews 615 vs star spec. Looks like the star specs are the ones to get.
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The ingenious and decidedly weird Wankel rotary engine works by using internal combustion to bounce a fat metal triangle around inside a hollow metal kidney bean, which hula-hoops around a central shaft to generate power.--- Jalopnik www.rotaryextreme.com, after more then a 2 year break, Rotary Extreme Re-opens 9/11/08.
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