Be careful about F-51D by Josse: it is unstable with 100% fuel, because center of gravity is moved behind when rear fuselage fuel tank is full. Real P-51D had this problem. If you want normal behaviour with this plane, please use max 75% fuel (or 50

. In other words, this plane shall not be tested with 100% fuel in QMB...
You can read an extract of P-51D manual by the USAAF here:
http://www.checksix-forums.com/showt...=153395&page=6
Also Focke-Wulf 190 A3 has been improved with revised FM, here:
http://www.checksix-forums.com/showt...ight=Fw-190A-3