Rule of thumb: fuel. 0.45 pounds per hour, per horse power. {lean to peak}
Turbo or supercharged: 0.55 pph/ph [lean to peak]
Turbine: 0.75 pph/ph
300 hp normally aspirated using 75% power in cruise, leaned to peak EGT.
300*0.75=225hp * .45=101.25 pph divide by six = 16.8 gph.
