(d) Engine Operating Limits
(1) Maximum Horsepower 112
(2) Maximum Rotation Speed (RPM) 2600
(3) Maximum Oil Temperature 245°F
(e) Oil Pressure
Minimum (red line) *15 PSI
Maximum (red line) 100 PSI
(f) Fuel Pressure
Minimum (red line) .5 PSI
Maximum (red line) 8 PSI
(g) Fuel Grade - Minimum 100/130 - Green
(h) Number of Propellers 1
(i) Propeller Manufacturer Sensenich
(j) Propeller Model 72CK-0-56
(k) Propeller Diameter
Maximum 72 IN.
Minimum 70 IN.
(l) Propeller Tolerance (static RPM at
maximum permissible throttle setting)
Not above 2350 RPM
Not below 2200 RPM
No additional tolerance permitted.
(m) Winterization Kit (Optional)
(1) Removed above 50° F OAT
(2) OAT gauge required
2.9 POWER PLANT INSTRUMENT MARKINGS
(a) Tachometer
Green Arc (Normal Operating Range) 500 to 2600 RPM
Red Line (Maximum Continuous
Power) 2600 RPM
(b) Oil Temperature
Green Arc (Normal Operating Range) 75° to 245°F
Red Line (Maximum) 245°F
(c) Oil Pressure
Green Arc (Normal Operating Range) 60 PSI to 90 PSI
Yellow Arc (Caution Range) (Idle) *15 PSI to 60 PSI
Yellow Arc (Ground Warm-Up) 90 PSI to 100 PSI
Red Line (Minimum) *15 PSI
Red Line (Maximum) 100 PSI
*Minimum limit reduced from 25 psi. All models approved for 15 psi.
PIPER AIRCRAFT CORPORATION SECTION 2
PA-38-112, TOMAHAWK LIMITATIONS
ISSUED: JANUARY 20, 1978 REPORT: 2126
REVISED: MAY 10, 1982 2-3
(d) Engine Operating Limits
(1) Maximum Horsepower 112
(2) Maximum Rotation Speed (RPM) 2600
(3) Maximum Oil Temperature 245°F
(e) Oil Pressure
Minimum (red line) *15 PSI
Maximum (red line) 100 PSI
(f) Fuel Pressure
Minimum (red line) .5 PSI
Maximum (red line) 8 PSI
(g) Fuel Grade - Minimum 100/130 - Green
(h) Number of Propellers 1
(i) Propeller Manufacturer Sensenich
(j) Propeller Model 72CK-0-56
(k) Propeller Diameter
Maximum 72 IN.
Minimum 70 IN.
(l) Propeller Tolerance (static RPM at
maximum permissible throttle setting)
Not above 2350 RPM
Not below 2200 RPM
No additional tolerance permitted.
(m) Winterization Kit (Optional)
(1) Removed above 50° F OAT
(2) OAT gauge required
2.9 POWER PLANT INSTRUMENT MARKINGS
(a) Tachometer
Green Arc (Normal Operating Range) 500 to 2600 RPM
Red Line (Maximum Continuous
Power) 2600 RPM
(b) Oil Temperature
Green Arc (Normal Operating Range) 75° to 245°F
Red Line (Maximum) 245°F
(c) Oil Pressure
Green Arc (Normal Operating Range) 60 PSI to 90 PSI
Yellow Arc (Caution Range) (Idle) *15 PSI to 60 PSI
Yellow Arc (Ground Warm-Up) 90 PSI to 100 PSI
Red Line (Minimum) *15 PSI
Red Line (Maximum) 100 PSI
*Minimum limit reduced from 25 psi. All models approved for 15 psi.
PIPER AIRCRAFT CORPORATION SECTION 2
PA-38-112, TOMAHAWK LIMITATIONS
ISSUED: JANUARY 20, 1978 REPORT: 2126
REVISED: MAY 10, 1982 2-3