PPRuNe Forums - View Single Post - Sonic Bang Below Mach 1?

11th May 2005 | 00:06

#9 (permalink)

Flying_Anorak

Joined: Jul 2004

Posts: 168

Likes: 0

From: N/W London

Is not the angry snarly engine note of a Pratt & Whitney Wasp radial engine in a Harvard (Texan to our Colonial Cousins) the result of the tips of the prop blades going supersonic? Sure I read / heard that somewhere!