Heres what i get :
idle (cold) 840rpm
idle (hot) 960rpm
plane 1/2 throttle - 16.6mph - 4500rpm
plane 3/4 throttle - 18.8mph - 5450rpm
plane full throttle (WOT) with headwind - 21.6mph - 6180rpm - 6240rpm
plane WOT with tailwind - 22.6mph - 6300pm
Does that seem normal ? All speeds by GPS, RPMs...