MIL-STD-1365C
(5) Equipment and simulated weapon shall be inspected. Any evidence of damage shall be cause for rejection. Minor damage to "bumpers" is acceptable.
c. Connected replenishment for equipment used exclusively with STREAM strongback and sliding padeye. (1) Tests shall be the same as for CONREP above except that the impact velocity against all sides of
equipment shall be no less than 7 feet per second.
5.1.3.3 Vibration resistance. Equipment developed for shipboard use shall be capable of withstanding mechanical vibrations encountered in a shipboard environment. The applicable developmental specification shall define the vibration characteristics in accordance with MIL-STD-167-1 which provides guidance concerning mechanical vibrations aboard ship.
5.1.3.4 Brakes. Mobile shipboard equipment shall include brakes designed on the dead-man principle so that the brake must be held off to move the equipment. Brakes shall be provided and must hold the loaded equipment motionless on a 15-degree slope. Brakes shall be capable of bringing the loaded equipment to a full stop within a distance of 12 inches on a dry, level, brush finish, concrete surface, when moving at the design rated speed (3.5 feet per second for Class 1 and 7.25 feet per second for Class 2). In special cases, depending on end use, the procuring service may increase or decrease the 15-degree general requirement and provide definitive design parameters and test and evaluation requirements. Brakes shall operate in a wet and saline atmosphere when tested in accordance with the salt fog test, Method 509.5, of MIL-STD-810, after a 72-hour period. When testing is required by the procuring activity or the applicable development specification, the following applies:
a. The equipment, loaded to its rated capacity, shall be placed on a tiltable platform with a non-skid surface having a coefficient of friction not less than 1.15 dry or 1.00 wet.
b. The brakes shall be applied.
c. Raise the platform to an angle of 15 degrees.
d. Equipment shall be observed for any indication of wheel rotation or skidding for 5 minutes. e. Any evidence of movement shall be cause for rejection.
f. The equipment, loaded to its rated capacity, shall be caused to move at a velocity of 3.5 feet per second for
Class 1 equipment or 7.25 feet per second for Class 2 on a dry, level, brush finish concrete surface. g. Brakes shall be applied causing the equipment to come to a full stop.
h. The stopping distance shall be measured. A distance greater than 12 inches is cause for rejection.
When specified, the tests shall be performed after the equipment has been subjected to the salt fog test of
MIL-STD-810, Method 509.5, for a 72-hour period.
5.1.3.5 Obstacle performance. When the equipment is to be operated on the flight deck of aircraft carriers, the standard 1-inch obstacle height required for Type I mobility shall be increased to 2 inches. Mobile vehicles designed for handling and loading weapons aboard ship shall be capable of traversing ramps to deck edge aircraft elevators and fire door sills on aircraft carriers. The requirement for door sills aboard aircraft carriers is 3 inches of rise with a 4-degree slope on each side of the sill. If required by the developmental specification or procuring activity, conformance with the requirement may be determined by the following test. The equipment, loaded to its rated capacity, shall be operated at any convenient speed over a 2-inch vertical rise. Any damage resulting from traversing the obstacle, or difficulty negotiating the obstacle when using the intended method of propulsion shall be cause for rejection. Tests shall be repeated by operating the loaded equipment up a ramp having a rise of 3 inches and a slope of 4 degrees and back down a second ramp of 4 degrees slope. The up and down ramps shall be back to back. Any damage, contact with the deck (other than the wheels), or difficulty negotiating the obstacle when using the intended method of propulsion shall be cause for rejection.
5.1.4 Special mobility requirements. Three-wheel running gear configurations shall never be used for loaders or trailers. Trailer and loader center of gravity shall be located to optimize wheel ground pressure for steering and traction. Casters may be used for shop and hangar equipment but shall not be utilized for towed flightline equipment.
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