Hi guys
this will help any of you who dont want your prop planes ie engine running as soon as plane comes up on sreen.
Go into the TMD File of any plane scroll down its normaly second to last page.
You are looking for this "ThrottleControl = ~Aircraft/SenoThhrottle/MechLink"
Now the line under the above is "RotationSpeedIdle = 54.2187" (example)
All you need to do is change the numbers to = 0.0 then go to file and save
that will give you a static engine on start up, engine runs as soon as throtle stick is pushed forwards/or backwards watever way your trany is set up.

Regards Dave
Note first pic eng running, second pic eng at stop