foot pounds per inch? This is meaningless drivel in terms of fuel energy! The energy rating of fuel components is expressed as a calorific value-and determined in a calorimeter. The units may vary-calories, joules, kilocalories, BTU (British Thermal Units) [and there are relationships between all these units-allowing interconversion] but will be expressed as 'x' energy units per unit mass of the fuel. There are some conventions which vary from fuel to fuel-gas fr example is often given as BTU/gram or kjoules/100gm

Quoting directly from Ron Moulton's 'Model Aero Engine Encyclopaedia' p119, gives paraffin as 11,000 calories-more than twice that of methanol at 5,330 calories (and FWIW nitromethane at 5,370 - nitro is about as good a fuel as methanol....but that's another story!)

In fact it ISN'T about how much fuel it can burn in a set time-but how much energy is liberated from the fuel per unit time.

ChrisM
'ffkiwi'