MIL-DTL-82929A(OS)
Number of Resonances
0
1
2
3
Fixed Dwell (fd) at the
following center
Sweep Time
frequencies
30
22.5
15.0
7.50
Resonance Dwell Time
--
7.5
15.0
22.50
67 Hz
7.50
7.50
7.50
7.50
100 Hz
7.50
7.50
7.50
7.50
135 Hz
7.50
7.50
7.50
7.50
200 Hz
15.00
15.00
15.00
15.00
267 Hz
7.50
7.50
7.50
7.50
300 Hz
7.50
7.50
7.50
7.50
335 Hz
7.50
7.50
7.50
7.50
400 Hz
15.00
15.00
15.00
15.00
467 Hz
7.50
7.50
7.50
7.50
500 Hz
7.50
7.50
7.50
7.50
Total Time Each Axis
120.0
120.0
120.0
120.0
Note: When an equipment resonance occurs within 5% of a fixed dwell frequency, the fixed dwell
period shall be omitted and only the resonance dwell performed. The omitted fixed dwell time shall
then be added to the sweep time.
4.3.11 Ballistic test. Sample initiators shall be conditioned for a period not less than 4 hours nor more
than 24 hours at the specified temperatures. The initiators shall be removed from the conditioning
chamber and test fired within 3 minutes. If any initiator is not fired within 3 minutes after removal, it
shall be reconditioned at the specified temperature for an additional 4 hours and then tested. The initia-
tors shall be fired in the test fixture, Drawing 850AS821. See figure 1 for general test setup schematic.
Instrumentation shall be provided to measure and record the initiator ignition delay and the high order
detonation of the output shielded mild detonating cord (SMDC) test tip on the aluminum witness plate.
The initiators shall meet the requirements specified in 3.4.4.
10
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