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1slowF3 said:
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flankr7 said:
Could you not potentially have an unlimited rev range?
Would the power curve continue to go up?
Would you even need a transmission any more?
Could an oil be made to withstand the pressure and stress of 30,000 RPM?
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The same things were thought when the Wankel (rotary) engine was developed.
30,000 rpm isn't a big deal. Turbos can spin at 150,000 rpm.
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The rotary valve engine is still limited by piston speeds, so the rev range wouldn't go on forever. But it would certainly eliminate valve float as a factor.