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RESTRICTED     T. O. No. 02-35GC-1

SECTION III
SPECIFIC OPERATING INSTRUCTIONS

ENGINE: R-18920-71

            FUEL       OIL        OIL    COOLANT
            PRESSURE   PRESSURE   TEMP   TEMP
CONDITION   LB/IN2     LB/IN2      °C      °C 
DESIRED       14         70       50-70     - 
MAXIMUM       16         75        85       -
MINIMUM       12         65                 -
IDLING        12         15

MAX. PERMISSIBLE ENGINE OVER SPEED: 2760 R.P.M.

MAX ALLOWABLE OIL CONSUMPTION AT:

NORMAL RATED POWER ----------- 14.0 QTS./HR.
MAXIMUM CRUISING ------------- 11.0 QTS./HR.
MINIMUM SPECIFIC FUEL FLOW ---  7.0 QTS./HR.

FUEL GRADE -- 100 OCTANE

[[12 columns]]
| Operation Condition | Horse Power | R.P.M. | Man. Press. (IN. HG) | Pressure Altitude (In Feet) | Blower Control Position | Use Low Blower Below | Mixture Control Position | Min. F/A Ratio | Fuel Flow Gal/HR | Max. Cyl. HD. Temp C | Remarks |
|---|---|---|---|---|---|---|---|---|---|---|---|

| Take-Off | 1200 | 2500 | 45.5 | Sea Level |   |   | Auto-Rich |   |   | 260°C |   |

| Military Rated Power (100%) |   |   |   |   |   |   |   |   |   |   |   |

| Normal Rated Power (100%) | 1000 | 2300 | 37.0 | 6,900 |   | Auto-Rich | .095 | 110 | 218°C |   |

| Max. Cruising (75%) | 750 | 2000 | 31.0 | 6,900 |   |   | Auto-Rich | .076 | 62 | 205°C |   |

| Desired Cruise (67%) | 670 | 2000 | 28.5 | 6,900 |   |   | Auto-Rich | .068 | 53 | 205°C |   |

| Desired Cruise (60%) | 600 | 1940 | 26.4 | 6,900 |   |   | Auto-Lean | .065 | 47 | 205°C |   |

| Cruise For Min. Specific Fuel Flow | 600 | 1400 | 32.0 | Sea Level |   |   | Auto-Lean | .065 | 47 | 205°C |   |

| Cruise For Min. Specific Fuel Flow | 600 | 1450 | 31.0 | 5,000 |   |   | Auto-Lean | .065 | 47 | 205°C |   |

| Cruise For Min. Specific Fuel Flow | 600 | 1600 | 28.0 | 10,000 |   |   | Auto-Lean | .065 | 47 | 205°C |   |

| Cruise For Min. Specific Fuel Flow | 600 | 1850 | 25.0 | 15,000 |   |   | Auto-Lean | .065 | 47 | 205°C |   |

| Cruise For Min. Specific Fuel Flow | 600 | 1850 | *F.T. | 20,000 |   |   | Auto-Lean | .065 | 47 | 205°C | *Full Throttle |

Refer to T.O. No. 00.10 For Definition of Each Operating Condition  
Maximum Permissible Continuous Horse Power

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