Quote:
Originally Posted by ACE-OF-ACES
...The speed (BCS) is kept as constant as it can be kept (humanly possible) during a WWII style ROC test...
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As an example of WW2 climb tests, look at table I in this
Spitfire IX test, you can see a constant IAS up to FTH and a constant TAS above FTH. Il-2 compare will always give you constant TAS, which will give you the somewhat higher climb performance below FTH, about 100 fpm in this case. Less than 5% obviously, and all I wanted to say.