Quote:
Originally Posted by bubba428
BTU has nothing to do with power....its all about explosive expansion.
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BTU/(unit time) is the unit used when talking about power. It can be converted to Watts, Joules, and other types of energy. BTUs with no unit time are talked about for HVAC stuff and heat.
Given proper conversions, 1 HP is a little over 2500 BTU/h. So I believe that if you have a test mule engine with all else being equal (displacement, RPM ramp during testing, duration of testing, etc) and you vary the fuel, whichever fuel generates less BTUs will generate less power.