Originally Posted by
ORAC
A few late WW2 prop designs could fly faster than 370kt in level flight: Bf109K, P51D, Griffon Spitfires, Bearcat, Tigercat, Hornet, DO335, Sea Fury,...
About the aerodynamics - it would be interesing to compare the Mmo's. IIRC about 0.86 for spitfire and 262 before bits started falling off.