Quote:
Originally Posted by Kurfürst
Its a gut feeling of course - I wasn't there when it was drawn (thank God for that!). To me it just seems that, given that the original was drawn with pen AND was labeled, compared to the rough approximation visibile on the pencil drawn +12 and +16(?!) lines, the latter lines were probably made by some aircraft enthusiast well after the war. The lines/figures look more or less a reasonable guesswork, but I very much doubt it has anything to do with any test establishment.
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Hm... using the same standars there is no real test data supporting 109E doing 500kmh at sea level. Only a calculation based on a prototype aircraft with a non-standard two speed supercharger and a power value which is higher than normal 601 power.
However, there is several test data sets supporting speeds around 470kmh for 1.3ata and supposedly faster 109F is doing just 495kmh at same power according to kenblat.
09-26-2012, 06:12 PM
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