MS14171C(AS)
TEST K - Cable bruise test. The tire shall be loaded against a 1.625 inch diameter steel cable resting on a flat plate at a 11.4 camber angle. A vertical load of 100,000 pounds shall be applied, released, and re-applied at a location 180 from the initial load position.
TEST L - Catapult takeoff. The tire shall be landed against the flywheel with a constant load of 3,000 pounds as the flywheel is accelerated from zero to 73 knots. The initial load shall then be increased to 37,500 pounds at a constant speed of 73 knots for
300 feet. The tire shall then be unlanded.
TEST M -Burst test. The tire shall be subjected to a hydrostatic burst test. The pressure shall be increased until the tire fails. The failing pressure, description of failure and location shall be recorded.
TABLE I Normal takeoff. |
ACCUMULATED |
|||
POINT |
TIME (SECS.) |
LOAD (LBS.) |
SPEED (KTS.) |
DISTANCE (FEET) |
1 |
0.0 |
22,000 |
0.0 |
0.0 |
2 |
5.0 |
21,000 |
0.0 |
211.0 |
3 |
10.0 |
19,100 |
100.0 |
847.0 |
4 |
18.0 |
16,000 |
167.0 |
2,654.0 |
5 |
19.0 |
13,700 |
175.0 |
2,943.0 |
6 |
25.0 |
0 |
215.0 |
4,917.0 |
TABLE II. High speed takeoff.
ACCUMULATED CE
4
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