Quote:
Originally Posted by Kwiatek
500 km/h at sea level for Bf109 E-3? These sounds very otpimistic!
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Check here - trials with V15a prototype (Bf 109E-1) :
http://kurfurst.allaboutwarfare.com/...w_109V15a.html
In particular measured, and corrected speeds achieved :
The higher speed figures show the aircraft`s speed at the engine`s guaranteed output - the engine was bench tested before the test and was somewhat down in power output.
But keep in mind manufacturer had +/- 5% tolerance on those speed figures. So production Emils were anywhere between 475 and 525 km/h, this kind of scatter is normal amongst serial aircraft.