TM 1-1520-238-10
7A-5
10
2
TEMP
STD
0
4
6
8
16
18
20
14
12
M01-225
2.5 MINUTE
LIMIT 1-ENGINE
CONTINUOUS TORQUE
LIMIT 1-ENGINE
CONTINUOUS TORQUE
LIMIT 2-ENGINE
ENTER AT KNOWN FAT = + 20
C.
MOVE RIGHT TO PRESSURE ALTITUDE
= 6000 FT. THEN MOVE DOWN
TO READ 97.8% TORQUE AVAILABLE
PER ENGINE. THIS DOES NOT EXCEED
2-ENGINE RED LINE. FOR DUAL
ENGINE OPERATION, TORQUE IS LIMITED
TO 100% PER ENGINE.
SPECIFICATION TORQUE AVAILABLE
30 MIN. LIMIT.
30
60
40
50
10
CALCULATED FROM ENGINE MODEL SPEC NO. E1290, 15 APRIL 1988
-30
0
-10
-20
-50
-40
-60
120
140
130
100
110
90
80
60
70
50
FAT = +20
C.
PRESSURE ALTITUTE = 6000 FT.
EXAMPLE
METHOD
KNOWN
WANTED
MAXIMUM TORQUE AVAILABLE
30 MIN LIMIT, 100 % N
r
, ANTI ICE OFF
ZERO AIRSPEED
AH-64A
AVAILABLE/IRP
MAXIMUM TORQUE
T700-GE-701C
DATA BASIS:
20
SPECIFICATION TORQUE AVAILABLE PER ENGINE
~
%
Figure 7A-2.
Maximum Torque Available Chart (Sheet 1 of 3)