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Old 01-24-2013 | 06:37 AM
  #674  
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rmh
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Default RE: New Evolution 10cc gas engine

Interesting concept.
FWIW- all IC engines are simply air pumps and as such have an rpm envelope where flow is maximized . (maximum torque)
if the engine can not reach this rpm- power is reduced .
Also above this envelope , flow again is reduced - per cycle but may increase over a given time period (rpm)-and HP can increase.
Electric motors don't have these constraints.
max torque can occur at zero rpm