@jaydee
Also found out that gear ration and min gov rpm in engines.cfg is are not correct if N2RPM is set to 32000.
Values should be
min_gov_rpm = 25260 ;1500; 25260 ; Miminum governed RPM 1500 times gear ratio
gear_reduction_ratio = 16.84 ; Propeller gear reduction ratio n2 rated rpm through 1900