This video details the SMLE rifle's grenade launcher attachment, a crucial WWI innovation bridging the gap between hand grenades and mortars. It explains the cup launcher's mechanics, firing techniques to manage extreme recoil, and structural reinforcements needed. The system's versatility, launching various grenade types, and its significant production numbers highlight its wartime importance.
The Japanese Type 89 'Knee Mortar' was officially the Type 89 Heavy Grenade Discharger, a rifled bore weapon designed for indirect fire suppression. Despite its name, it was not designed to be fired from the knee due to significant recoil. Its range was adjusted by altering the volume of the combustion chamber, and it could fire both standard grenades and specialized 50mm shells.
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