Quote:
Originally Posted by redyaris
Power = work/time, a ratio
Torque = force x moment arm, not a ratio
BSFC = fuel used/torque, if I am not mistaken, a ratio
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Efficiency is not just a ratio, but a ratio of
output to
input. Power is an output, neither work nor time are the inputs. So, power is still not a measure of efficiency. However, if you compared power (the output) to the amount of fuel used, then it is an efficiency (better known as BSFC...)