FUEL CONSUMPTION 0.001 lbs/hph maximum
which would give 140 lbs/hr = 20 GPH @ 140hp after the usual 3-orders-of-magnitude correction. 100 kg saved = 32 gallons more of Jet-A over the standard 26 gallons. 58 gallons would give 2.9 hours of flight, not bad if one could find a place to store all this fuel.