Andrew wrote:

<<Well, the KJ66 and MW54 engine types are NO where near the same weight for starters, and physically they are not even close to being the same size either>>

The advertised weights on these auto start wren clones is 2kg (2.2lbs) The jetcat P-80 is 2lbs 14oz?? Not that far off is it?? I agree with you on the idle thrust, this can be a problem with smaller jets running the larger motors.

Vin...