I was just wondering how we can find out the efficiency of a rotary engine?(adsbygoogle = window.adsbygoogle || []).push({});

Obvious, it is more efficient than a gasoline/diesel engine.For example the RX8 on 1.3 L in 2 rotors get 250 hp which is quite impressive for that capacity,also it works in 4 stroke,and the power to weight ratio is good.The only disadvantage would be the pollution that occurs, due to emmisions.

From my knowledge the diesel is more efficient than a gasoline due it's bigger compression ratio , hence more torque at lower revs.This can be proven thermodinamically using the efficiency formulas that imply compression ratio.

I am curious what types of calculations would be required to find out the efficiency of such engine , because I would like to plot a Power output(HP) vs Tq(torque) diagram,on different revs.

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# Wankel/rotary engine efficiency

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