Hi,
well, there are not so much, indeed Arthur made the most of them, but i found something by Lego:

http://www.kdkuehn.de/sim_afpd_motor.htm

And also some rare things by JayKay, i hope you find some thing what you like

The DO-X goes very slow here , i don't know how that come , the last grumman albatros goes wel, must you try it ...[8D][&:]

also by Arthur .