Hi DT,
For P-51 & YP-80, we have the K-14 gyro gunsight. Maybe, it will be a good idea to fit P-47 with this device and, still better, to fit last German fighter with Revi EZ 40 or 42 gyro gunsight. There is enough data, by example on
http://www.cockpitinstrumente.de/, to do that. Regards.