18.01.2009, 06:28
MWW,
Yea youre right, I guess the answer would be stay in the 8 to 10 range. Personally I mapped the pitch change functions to my left and right mouse buttons. Put it at 10 for takeoff. Pull the prop back to 9 for climbout and back to eight for cruise. I think under combat I would probably just leave it at the high rpm setting. Thats where you are going to pull the most hp out of the power plant and acheive your best rate of climb. The 51 in the game will give a 1500 rpm drop at max manifold pressure which is probably a bit high. Probably should be 600 to 800 rpm. I would need to go look at the TO to see what drop should be at max manifold pressure. You can see by the figures below you are normally working in a 700 RPM range depending on what youre doing with the aircraft.
This is from startup checklist for the 51.
BEFORE TAKE-OFF (Run-Up)
At 2000 RPM, check the following: Suction 3.75 to 4.25 inches HG.
Hydraulic pressure 800-1100 lbs/sq. inch.
Ammeter not to exceed 50 amps.
Check the instruments for the following limitations: Desired Maximum
Oil Pressure 70-80 lbs/sq. in. 90 lbs/sq. in.
Oil Temperature 70 deg C - 80 deg C 90 deg C
Coolant Temperature 100 deg C - 110 deg C 121 deg C
Fuel Pressure 12-16 lbs/sq. in. 19 lbs/sq. in.
Check mags at 2300 RPM. Maximum drop 100 RPM.
At 2300 check propeller - 300 RPM maximum drop - and return to full INCREASE RPM.
Oil and coolant shutters AUTOMATIC.
Wing flaps 20
Yea youre right, I guess the answer would be stay in the 8 to 10 range. Personally I mapped the pitch change functions to my left and right mouse buttons. Put it at 10 for takeoff. Pull the prop back to 9 for climbout and back to eight for cruise. I think under combat I would probably just leave it at the high rpm setting. Thats where you are going to pull the most hp out of the power plant and acheive your best rate of climb. The 51 in the game will give a 1500 rpm drop at max manifold pressure which is probably a bit high. Probably should be 600 to 800 rpm. I would need to go look at the TO to see what drop should be at max manifold pressure. You can see by the figures below you are normally working in a 700 RPM range depending on what youre doing with the aircraft.
This is from startup checklist for the 51.
BEFORE TAKE-OFF (Run-Up)
At 2000 RPM, check the following: Suction 3.75 to 4.25 inches HG.
Hydraulic pressure 800-1100 lbs/sq. inch.
Ammeter not to exceed 50 amps.
Check the instruments for the following limitations: Desired Maximum
Oil Pressure 70-80 lbs/sq. in. 90 lbs/sq. in.
Oil Temperature 70 deg C - 80 deg C 90 deg C
Coolant Temperature 100 deg C - 110 deg C 121 deg C
Fuel Pressure 12-16 lbs/sq. in. 19 lbs/sq. in.
Check mags at 2300 RPM. Maximum drop 100 RPM.
At 2300 check propeller - 300 RPM maximum drop - and return to full INCREASE RPM.
Oil and coolant shutters AUTOMATIC.
Wing flaps 20