MIL-S-19557/5(AS)
APPLICABLE
PARAGRAPH OF
SPECIFICATION
Altitude: The starter shall be capable of meeting
3.5.8
rated speed and output torque at 8000-ft altitude
at rated inlet conditions. The starter shall not
be damaged when subjected to 75,000-ft altitude
in the overrunning mode of operation.
Attitude: The starter shall be capable of meeting
3.5.9
the operational requirements of this specifica-
tion when the starter centerline, taken through
the output shaft, is in any position within 10
degrees of the horizontal position, unless
specified otherwise on this Specification Sheet.
Initial Calibration:
4.5.4
Drive Speed
Drive Speed
Drive Torque
(RPM)
Condition
(Lb-Ft)
Stall
1100
Rated
3200 Min
cutout
Airflow, Max
Drive Speed
Drive Speed
(RPM)
(Lb per Min)
Condition
110
0
Stall
4.5.5
No-Load Operation:
60
Time (see):
Minimum Drive Speed (RPM): 4000
Endurance Test: Number of cycles: 1200. Each cycle
3.3.5
shall consist of three consecutive phases as fol-
4.5.6
lows:
Phase B -
Phase C -
Test Stand
Phase A -
At Following Conditions
Acceleration
Acceleration
Rotor Polar
Drive
Drive
Drive
Moment of
Drive
Inertia
2
±50
±50
Lb-Ft
Sec
(Min)
Sec
RPM
Sec
3100
12
1650
8
1650
205
10
394
*395
1850
8
3100
12
1850
---
10
* Last 600 cycles only; run at 680°F air inlet temperate.
2