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|  MIL-B-38977(USAF)
of the preproduction tests, prepare a preproduction test report in
accordance with MIL-STD-831 and furnish three complete copies of the
report to the procuring activity.
4.2.2 Preproduction Tests. Preproduction tests shall consist of all
tests described in "4.5 Test Methods."
Acceptance tests shall consist of the following
4.3 Acceptance Tests.
individual tests.
Examination of Product
a.
b.
Conformance to Drawings
4.4 Test Conditions. Test conditions shall be as required for each
specific test.
4.5 Test Methods. All tests shall be performed with the practice bomb
completely assembled.
In no case shall live explosive devices be assembled in the
NOTE:
bomb being tested. Inert models only shall be used.
4.5.1 Examination of Product. Each practice bomb shall be examined
for strict conformance to the requirements of this specification for
which tests are not specified. Failure to meet these requirements
shall be cause for rejection.
4.5.2 Conformance to Drawings. Each practice bomb shall be inspected
for conformance to the drawings, and to the specifications and
standards specified therein. Failure to conform to these criteria
shall be cause for rejection.
4.5.3 Static and Environmental Testing. The practice bomb shall be
subjected to the following static and environmental tests in the
listed order:
4.5.3.1 Weight. The practice bomb shall be weighed using a scale
calibrated to a standard traceable to the National Bureau of Standards.
The weight shall be 705 + 15 pounds. Weight not falling within these
tolerances shall be cause for rejection.
4.5.3.2 Center of Gravity.
The center of gravity of the practice bomb
shall be determined by any
convenient method. The center of gravity
shall be at station 59.6 +
0.5 inches. A determined center of gravity
not within these tolerances
shall be cause for rejection.
4.5.3.3 Moment of Inertia Test. The fixture for this test shall be
a simple torsion pendulum or bar with an adjustable hanger which can
be attached to the practice bomb. This fixture shall be calibratied
by swinging a bar of known weight and calculated moment of inertia.
The periods (in seconds/oscillation) obtained from this swinging
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