This U.S. Army training film from 1962 details the precise calibration and laying procedures for the M29 81mm mortar. It covers sight calibration using a boresight and aiming circle, establishing reference lines with aiming posts, and executing fire missions. The instruction emphasizes geometric principles for parallel laying and includes critical safety checks and misfire protocols, reflecting advanced military artillery techniques.
The Japanese Type 92 105mm Field Gun, nicknamed 'Pistol Pete,' was a WWII artillery piece based on a French Schneider design. Adopted in 1932 and produced by Osaka Arsenal, only about 200 were made. It was used for harassment fire on Guadalcanal from Mt. Austen onto Henderson Field. The gun featured a rotating interrupted thread breech and semi-fixed ammunition for variable velocity and high-angle fire, though early models had structural weaknesses in their trails.
This video provides an in-depth look at the Soviet D30 122mm cannon, highlighting its unique three-trail design for 360-degree traverse and semi-automatic recoil operation. It details the separate loading system for its 122mm ammunition and demonstrates its dual-purpose capability as both an indirect-fire howitzer and a direct-fire anti-tank weapon. The demonstration includes live firing, showcasing the recoil system and muzzle blast.
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