Originally Posted by
dook
Bear in mind that a turbofan or turbojet engine at high or max thrust is producing zero power if the aeroplane is not moving, unlike a turboprop.
You're mixing "power" measured at different places.
As far as power transmitted to the airframe, a turboprop at standstill gives the same as a jet at standstill: zero.
The power across the shaft (torque X rpm) is quite high, on the other hand.