The system was designed to fit either the M197 20 mm three barreled cannon or the XM188 30 mm three barreled cannon. In practice the M197 was the standard fit and the XM188 was not adopted for service.

May 25, 2020 · XM188 30mm, three-barrel, rotary cannon (1975): Used in YAH-63A (Bell 409) Advanced Attack Helicopter. This was a highly-modified, AH-1 Cobra variant, which was never selected for operational use. General Electric built only four XM188 development guns for the prototype aircraft.

XM188并不是GAU-8的减重型，而是M197的放大型，XM188是可以直接装到M97系统的A/A49E-7炮塔上使用，与M197互换，其配用的炮弹也并非GAU-8的30×173mm，而是膛压、初速和后坐冲量都较低的30×113mm炮弹。 射速最高可达2000发/分，但实际应用射速只有600～750发/分。 XM188的尺寸. XM188发射的XM552破甲/人员杀伤两用炮弹. 装有XM188的A/A49E-7炮塔. YAH-63的武装配置，XM188的弹箱位于后座的驾驶员下面.

May 24, 2023 · The three-barreled G.E. XM188 30mm cannon was designed to be mounted to the nose of the Bell YAH-63. The aircraft competed against the Hughes YAH-64 in the 1970s for the Army's new helicopter ...

After the impact, the Number 2 throttle was jammed at 80% thrust and the aircraft proceeded to suck out the flight safety magazines from the windowsill. The crash switches had operated and the electrically operated LP fuel cocks could not be closed.

The XM188 was a Research and Development project for a three-barrel 30mm Gatling gun for use on the Bell YAH-63, which participated in the Advance Attack Helicopter competition with...

Distinctive features included wheeled tricycle landing gear, flat canopy window plates, an unusual "tee" tail, a large ventral fin, and a three-barreled General Electric XM-188 30 mm (1.18 in) cannon. The YAH-63's rotor mast could be lowered and the landing gear could kneel to reduce its height for transport. [7] .

Dec 31, 2014 · This device automatically obtains and outputs both dispersion coordinates and velocities for an automatic weapon in bursts up to 60 rounds. The chronological order of rounds is maintained. Statistics on dispersion and accuracy, if point …

burst. The program is written in Digital Equipment Corporation's (DEC) FOCAL-8 language with PAL III assembly language overlay. This program may be operated in automatic or interactive command mode. This device was developed in support of the XM188/XM230 Data Acquisition Test. As such, the system accuracy can only be stated with respect to 30MM ...

Second shot of '188' this time in 145 Squadron/226 OCU markings.