TM 55-2840-241-23
Table 1-1. Leading Particulars
Dimensions:
Length . . . . . . . . . . . . . . . 40.7 inches
Height . . . . . . . . . . . . . . . . . 23.2 inches
Width . . . . . . . . . . . . . . .19.0 inches
Engine weight (dry) . . . . . . . . . . . 158 pounds
Maximum oil consumption . . . . . . . 0.05 gal/hr
Lubricating oil specifications . . . MIL-L-23699 or
MIL-L-7808
Fuel specifications:
Primary . . . . . . . . . . . . MIL-T-5624 (JP-4)
Alternate . . . . . . . . . . .
MIL-T-5624 (JP-5)
Emergency . . . . . . . . . . . . . MIL-G-5572
Design power output . . . . . . . . . . . . 420 shp
Ram power rating . . . . . . . . . . . . .440 shp
Design speeds:
Gas producer (Nl) . . . . . 100% (50,970 rpm)
Power turbine (N2) . . . . . 100% (33,290 rpm)
Power output shaft . . . . . 100% (6,016 rpm)
Table 1-2. Performance Ratings (Standard Sea Level Static Conditions)
Ram Power
Measured
Gas
output
Rating
Rated
Generator
Shaft
Fuel Flow
Torque at
Gas
Shaft
rpm
Speed
lb/hr
Output Shaft
Temp. 0 C
Ratings
HP
(est)
rpm
(max)
ft-lb (max)
(max)
—
Intermediate
420
53000
6016
273
384
810
Max Cont.
370
51200
6016
241
323
738
75% Max Cont.
278
48800
6016
197
323
——
50% Max Cont.
185
45880
6016
153
323
——
Ground Idle 35 33000
4500-6300
70
lbs/hr
––
425 ±60
(max)
Flight Idle
0
33000
5900-6480
70
lbs/hr
––
415±60
Intermediate power is the maximum power authorized and is limited to 30 minutes use.
Max Continuous is the highest power authorized for continuous operation.
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