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|  MIL-S-22518 /3(AS)
REQUIREMENTS (Continued)
Applicable paragraphs
of MIL-S-22518A(AS)
3.5.10
Overrunning (Acceptance): The ATS/AD shall be overrun
4.5.10
at a Pad "A" speed of 7200 RPM and subjected to a
Pad "B" load of 55 HP for 5 minutes.
4.5.4
Initial Calibration:
Pad "A" Drive
Torque
Speed
Speed
(Lb-Ft)
Condition
270 Min, 385 Max
o
Stall
202 Min ---
1020
Rated
25 Min ---
3200 to 3400
cutout
Airflow, Max
Speed
Speed
Condition
RPM
(Lb per Min)
0
Stall
90
4.5.5
No-Load Operation (Qualification):
Time (Second): 60
Pad "A" Drive Speed (RPM), Min:
3560
4.5.5.1
Burst Test:
Inlet Air Total Pressure (PSIA): 75
Inlet Air Total Temperature (F): 455
No-Load Operation Acceptance): pad "A"
4.5.6
Drive Speed (RPM), Min: 3560
3.5.5
Endurance Test, Accessory Drive. The unit shall
be mated with a 30 KVA constant speed drive
and generator and mounted in a reamer dynamically
similar to its mounting in the aircraft. This
phase of the endurance testing need not be con-
tinuous; however, test periods shall not be less
than 5 hours duration.
The complete package shall be tested for a
total of 460 hours per the following schedule:
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