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MIL-W-3947B
3.4.2.l6 Moment of Inertia Data.
A table summarizing the estimated and calculated mass moments
(a)
and product of inertia about the roll, pitch, and yaw center
of gravity axis shall be provided for all gross weight and
critical flight conditions. The format shall be patterned
after the MIL-STD-176 weight breakdown (as practicable) and
shall be included in the Estimated & Calculated Weight Reports.
Curves showing burn time vs weight and mass moments and products
(b)
of inertia about the roll, pitch, and yaw axis passing through
the instantaneous c.g. shall be included with the Estimated}
Calculated, Actual, and Status Reports.
Physical measurement of the missile mass moments and produces
(c)
of inertia shall be made and-summarized in the Actual-Weight
Report when required by the procuring agency. Measured values
should reflect launch conditions insofar as practicable.
3.4.2.17 C.G. Limits for Stability and Control. Contractor shall
determine and show the c.g. limits within which the c.g. must stay to
provide satisfactory stability and control during the flight profile of
the vehicle.
3.4.2.18 Weight Summary for Performance Analysis. Appendix II to
MIL-STD-176 - To be submitted when required by the procuring agency (see
paragraph 6 of MIL-STD-176).
3.4.3 Operational Weight Data
3.4.3.1 Pre-Flight Weight Report.  In order to provide weight and
balance information to the test activity concerning specification and as
delivered condition of the missile, the Pre-Flight Weight. Report shall
include the items indicated in Table II. Items required in the Pre-Flight
Weight Report by Table II and not previously covered in the specification
are as follows:
(a)
Check List of removable equipment items, weights, arms, and
moments included in the weight empty.
Longitudinal, vertical and lateral gross weight balance calcu-
(b)
lations covering each mission load condition, and discrete points
of the flight profile.
Curves showing weight, center of gravity and per cent of fuel or
(c)
propellant consumed vs flight time.
Tabulation of weights, arms and moment data on the following for
(d)
the "a delivered" condition of the missile. These data shall be
detailed sufficiently to enable test activity personnel to identify
all components of the items.
7

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