DESCRIPTION

Figure 2-19.—Spreading gun assembly. main parachute canopy, and it reduces random inflation time of the canopy during high-speed ejections (figs. 2-19 and 2-20). DESCRIPTION The spreader gun assembly consists of a spreader housing, 14 pistons, slugs, and retainers, an impulse cartridge, a fail-safe mechanism, and a hardware retention lanyard. The spreader gun is provided with a fail-safe assembly in the event of a cartridge malfunction. The fail-safe assembly consists of a nylon sleeve clipped to the sheer band assembly. A safety pin is inserted in the firing mechanism during handling to prevent accidental firing. The cartridge for the spreader gun is threaded into the breech of the housing and has a retention cord attached. The spreader gun is positioned at the hem of the main parachute between the retaining cord and lower firing lanyards. The retaining cord is looped around the vent lines and the pilot parachute connector cord. Figure 2-20.—Spreading gun assembly parts breakdown. 2-10