Huricane Mk I 100 Octane perormance tests 1.07.18301

[Igo kyu]

Originally Posted by klem

Just did a quick comparison of Hurricane Mk I 87 Octane vs 100 octane at 1000, 5000 and 10000 feet.

Seems the old 87 octane is faster than the 100 octane

Your figures are without boost. The difference was AIUI (which may or may not be correct ) that 100 octane allowed more boost at low level. So figures without boost shouldn't show a difference, and with boost only up to FTH.