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MIL-S-22518 /2(AS)
REQUIREMENTS (Continued)
Applicable paragraphs
of MIL-S-22518A(AS)
3.5.10
Overrunning  (Acceptance):  The ATS/AD shall be overrun
at a pad "A" speed of 8000 RPM and subjected to a
4.5.10
pad "B" load of 20 HP for 5 minutes.
Initial Calibration:
4.5.4
Pad "A" Drive
Speed
Speed
Torque
Condition
RPM
(Lb-Ft)
Stall
0
420 Min, 465 Max
Rated
1200
290  Min  ---
cutout
3400
50  Min  ---
Speed
speed
Airflow, Max
Condition
RPM
(Lb per Min)
Stall
C
110
No-Load Operation (Qualification):
4.5.5
Time (Second): 60
3600
Pad "A" Drive Speed (RPM), Min:
Burst Test:
4.5.5.3
Inlet Air Total Pressure (PSIA): 75
Inlet Air Total Temperature: 445 10F
No-Load Operation (Acceptance):
Pad "A" Drive Speed
4.5.6
(RPM), Min: 3600
3.5.5
Endurance Test:
Accessory Drive:  The ATS/AD shall be driven
4.5.7
for 960 hours at 7200 RPM with a continuous
load of 20 HP applied at pad "B." A load of
40 HP shall be applied at pad "B" for 5 minutes
of every hour during the above 960-hour endur-
ance test.  This phase of endurance testing
need not be continuous; however, test periods
shall not be less than 5 hours duration.  This
endurance testing may be combined with the
tests for the starter in this paragraph in
an attempt to simulate service conditions.
Accessory Drive High Torque Test:  At a pad "A"
drive speed of 6800 RPM the ATS/AD shall be
cycled for 15 minutes at 20 HP and 15 minutes
to 55 HP for a total of 2 hours.

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