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According to this paper...http://www.aa1car.com/library/ar293.htm... only flaky graphite cast iron ( = pearlitic lamellar ) piston ring are allowed in standard grey cast cilinders ( witch is also flaky graphite ). So , one may not use ductile (or nodular ) piston rings or steel piston rings...

What's in a name :o A idea popped up and i build a waste-prototype of a new kind of bi-rotary engine mounted in fixed outer-ring ( kind of Wankel ), and it worked ( until eventually it blow up, testing how long it would last ) Someone told me the idea was brilliant and advised me to patent it...

Hello everybody, i was surfing the internet, looking at stuff on rotary engines and landed here. I had build a small waste-prototype of a idea i was working , it worked and now i am building a engine the size of a tire rim. My native language is dutch, so please ignore my misspellings. I'm a...