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Long term high temperature storage |
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|  MIL-C-70725A (AR)
c. For each weapon type, the average cyclic rate
obtained with conditioned cartridges shall be statistically
compared to the average cyclic rate obtained with unconditioned
cartridges.
The cyclic rates and their differences shall be
recorded.
d. The estimated time required to clear all jams and
stoppages shall be recorded for each incident.
4.6.24 Long term high temperature storage. The long term
high temperature storage test shall be conducted as follows:
a. One half the sample shall be subjected to
continuous heating at +50C (+125F) and 15 percent relative
humidity for 120 days.
b. Following the conditioning period, the conditioned
cartridges shall be fired in accordance with the function and
casualty firing schedule for 500 rounds with the cyclic rates
recorded as indicated. The same shall be repeated with the
unconditioned cartridges in the same exact weapon.
c. For each weapon type, the average cyclic rate
obtained with conditioned cartridges shall be statistically
compared to the average cyclic rate obtained with unconditioned
cartridges. The cyclic rates and their difference shall be
recorded.
d. The estimated time required to clear all jams and
stoppages shall be recorded for each incident.
4.6.25 Long term low temperature storage. The long term
low temperature storage test shall be conducted as follows:
a. One half the sample shall be subjected to con-
tinuous cooling at -40C for 30 days.
b. Following the conditioning period, the conditioned
cartridges shall be fired in accordance with the function and
casualty firing schedule for 500 rounds with the cyclic rate
recorded as indicated. The same shall be repeated with the
unconditioned cartridges in the exact same weapon.
c. For each weapon type, the average cyclic rate
obtained with conditioned cartridges shall be statistically
compared to the average cyclic rate obtained with unconditioned
cartridges. The cyclic rates and their difference shall be
recorded.
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