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e. Power Limits (With 100/130 fuel):

(1) Takeoff -- rich mixture.

(a) 1425 HP, 2700 RPM, 52.5 inches Hg at sea level. 

(b) 1425 HP, 2700 RPM, 51.5 inches Hg at 2300 feet.

(2) Maximum continuous -- normal mixture.

(a) 1275 HP, 2500 RPM, 47.5 inches Hg at sea level. 

(b) 1275 HP, 2500 RPM, 46.0 inches Hg at 3300 feet. 

(Straight line variation MAP between altitude shown).


1 Power-off (rotor tachometer):

a. Maximum -- 330 rotor rpm. 

b. Minimum -- 237 rotor rpm. 


1. General:

a. Red radial lines, maximum and minimum limits.

b. Yellow arc, cautionary range.

c. Green arc, normal operating range. 

2. Air speed:

a. Maximum -- 110 knots IAS, red radical line.

b. Normal operating -- 45 to 110 knots IAS, green arc. 

c. Cautionary range -- 0 to 45 knots IAS, yellow arc. 

3. Dual tachometer:

NOTE: See applicable maintenance handbook for operation after inadvertent engine overspeed.

a. Engine:

(1) Takeoff -- 2700 rpm, red radical line. 

CAA - APPROVED FEBRUARY 26, 1958, V-44      6
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