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Gerarddm
06-15-2016, 11:07 AM
I love ingenuity:

http://www.gizmag.com/huttlin-kugelmotor/19923/?li_source=LI&li_medium=default-widget

B_B
06-15-2016, 11:54 AM
Not to harsh your interest - the article is from 2011. I followed the link to the company involved and it doesn't seem like they've done anything since then. But yes, it is interesting ;)

I thought this thread might be about this -a new rotary engine design (http://jalopnik.com/tiny-rotary-engine-thats-not-a-wankel-powers-go-kart-fo-1781988639): 5 hp from an engine weighing 4 pounds. Although, at 70cc, its power to cc output isn't impressive, it's power to weight seems to be!

Dan McCosh
06-15-2016, 12:26 PM
What's really ingenious is boring a curved hole in the engine block.