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Page Title:
Figure 5. (F) Sample test Procedure for periodic validation tests. (Sheet 1 of 2) |
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|  MIL-M-82376B
High-Speed Buffet
Test Procedure
1. Establish the configuration specified on figure 5 (sheet 2 of 2) with the
simulator trimmed for straight and level flight at a gross weight of 180,000
lbs and at an airspeed of 180 knots, 5000 feet below indicated buffet
boundary.
2.
Perform a pull-up at specified weight and load factor until buffet occurs.
3.
Record the airspeed, altitude, and load factor.
4.
Plot results on figure 5 (sheet 2 of 2).
5. Repeat Steps 1 through 4 for additional weights and load factors, as noted
on figure 21 (sheet 2 of 2) at airspeeds of 280 and 380 knots.
Tolerances
1.
Altitude:
10.0 percent.
2.
Airspeed:
1.0 percent.
Calculations
1. c
Lbuffet = nW/qs
c
Lbuffet = lift coefficient at buffet
n = load factor
W = airplane weight, lb
q = dynamic pressure, lb/ft 2
s = wing reference area, ft 2
FIGURE 5.
(F) Sample test Procedure for periodic validation tests.
(Sht 1 of 2)
0023E2
45
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