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Rob Dahm is refining the unique 15.7-liter Y12 rotary engine, originally designed by Tyson Garvin as a twelve-rotor ...

Sometimes, you need an Android tablet that's easy to hold one-handed, or that doesn't hog space in a bag, here are the best.

Rob Dahm, notorious rotary-powered car builder, has firmly jumped into the deep end of the pool with his latest project: The ...