It's nice to see the game getting up in shape. I have just flew a bit and I was very impressed. It ran very smooth even on my rather mid-range system, much like the old Il-2 did. Overall I see it much of an improvement.
However it's disappointing to see that the 109E speeds at low alttiudes is still not corrected.
They seem to make about 460 km/h at 1.35ata (no WEP max. power), instead of 500 km/h at SL which was their specification in 1939/1940 with the current engine mounted.
Naturally we understand that the FM team was overloaded with fixing some rather serious bugs in RAF fighter FMs, but it would be equally nice to see that at least the same attention is spent on this issue as well and finally our 109E's (E-1, E-3, E-4) would all meet their historical specs, since after all numerous new FMs were added, we have now about 12 different types of RAF fighters modelled in various conditions and boost, but the 3 German single seater variant's problems with their low altitude speed has been neglegected since the release.
Below I attach the original type specification sheet for Bf 109E from 1939*, which gives the official speed specification for the type, which all planes had to conform within +/- 5% tolerance before acceptance by the Luftwaffe.
This, along with the other documents clearly show the top speed was 500 km/h at 1.35ata (1045 horsepower). From this it's easy to calculate that the plane should reach about 515 km/h at low levels with the 1-min boost (1.45ata, 1175 HP).
I also attach two flight trials, one German E-1 by Messerschmitt and one French one made on a captured E-3 which confirm these figures. Note the French one's boost fell off with altitude for some unknown error in the engine, but conforms well with German trials otherwise at low levels (the French aircraft had a lower powered engine using only 1.3ata). There's also a Swiss trial of an export 109E-3a which appears to have been made using the high altitude blower speed only. An overlay is provided below.
Full description of these documents can be found at my site and my previous postings:
http://kurfurst.org/Performance_test...chreibung.html
http://kurfurst.org/Performance_test...w_109V15a.html
http://kurfurst.org/Performance_test...formanceT.html
* BAUBESCHREIBUNG für das FLUGZEUGMUSTER MESSERSCHMITT ME 109 mit DAIMLER-BENZ-MOTOR DB 601