Figure 7A-2. Maximum Torque Available Chart (Sheet 3 of 3)

Figure 7A-2. Maximum Torque Available Chart (Sheet 2 of 3

TM-1-1520-238-10 Helicopter Attack AH-64A Apache Manual
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TM 1-1520-238-10 7A-7 M01–288 20 10 60 50 30 40 –10 –20 –30 2.5-MIN LIMIT, 100% N r , ANTI-ICE OFF 140 METHOD KNOWN EXAMPLE ZERO AIRSPEED WANTED SINGLE–ENGINE MAXIMUM TORQUE AVAILABLE –60 –40 –50 50 70 90 60 0 110 120 80 130 100 20 MAXIMUM TORQUE AVAILABLE/OEI AH–64A T700–GE–701C SPECIFICATION TORQUE AVAILABLE 2.5-MIN LIMIT FAT = +20 C PRESSURE ALTITUDE = 6000 FT ENTER AT KNOWN FAT = +20 C MOVE RIGHT TO PRESSURE ALTITUDE = 6000 FT. THEN MOVE DOWN TO READ 106% TORQUE AVAILABLE. THIS DOES NOT EXCEED 1–ENGINE RED LINE. FOR ONE–ENGINE OPERATION, TORQUE IS LIMITED TO 122%. 18 16 14 12 10 8 6 4 2 0 DATA BASIS: DERIVED FROM FLIGHT TEST AND ENGINE MODEL SPEC NO. E1290, 15 APRIL 1988 CONTINUOUS TORQUE LIMIT 1–ENGINE STD TEMP 2.5-MINUTE LIMIT 1–ENGINE SPECIFICATION TORQUE AVAILABLE ~ % Figure 7A-2. Maximum Torque Available Chart (Sheet 3 of 3)

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