High Impulse Gun Airborne Demonstration. GAU-13/A Weapon, Feed System, Gun Drive and Electronic Controls.
Final technical rept. 3 Aug 79-31 Oct 80,
GENERAL ELECTRIC CO BURLINGTON VT ARMAMENT AND ELECTRICAL SYSTEMS DEPT
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The HIGAD test bed described in this report consists of a four barrel, GAU-8A class, 30-mm Gatling type weapon with associated feeder and dual rate drive, and a microprocessor-controlled, hydraulically-operated recoil attenuation system. This recoil system is referred to as FORCForce Optimized Recoil Control and is used for the 360 shot-per-minute spm rate. A second recoil system is used for the higher rate of 720 spm. This system is a passive low force recoil system. Complete interface requirements were established through many joint meetings between General Electric, Honeywell, and ARRADCOM. The resulting test program has demonstrated flawless gun system performance in the HIGAD test bed. A total of 161 rounds were fired for set-up and checkout purposes at the General Electric Firing Range prior to delivery to ARRADCOM. At Rock Island, 972 rounds were accumulated on the gun system during evaluation of the FORC recoil system.