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Front and side views of a 3-ring (mini rings) release system on a single riser of a packed main parachute. Since the introduction of the 3-ring system, variations in the design have raised safety concerns. For example, the move to mini rings and mini risers caused riser failures on some designs [6] until riser strength
RSL - Reserve Static Line RSL Shackle, held, and part of RSL shown installed in the container and attached to the main canopy riser RSL ring. A reserve static line, occasionally called a Stevens Lanyard or Stevens Release, is a device that automatically opens the reserve parachute container when the main parachute is cut-away.
The static line and D-Bag stay with the aircraft as the jumper leaves, and are pulled back into the aircraft by the dispatcher. Now free of its D-Bag, the canopy is allowed to inflate as the jumper continues to fall. Effectively, the jumper drags the parachute behind him, causing the upward-rushing wind to force open and inflate the canopy.
A main assisted reserve deployment (MARD) system is a skydiving safety device for parachute systems. While there are many variations, the operation and intended outcome for each is the same: open the reserve parachute container and extract the reserve parachute's deployment bag (and parachute) using the jettisoned main canopy.
Cut-away is a skydiving term referring to disconnecting the main parachute from the harness-container in case of a malfunction in preparation for opening the reserve parachute. The 3-ring release system on parachutes allows a rapid cut-away in the event of an emergency. Cutaway is also the title of a 2000 action film about skydiving.
A pilot chute is a small auxiliary parachute used to deploy the main or reserve parachute. The pilot chute is connected by a bridle to the deployment bag containing the parachute. Pilot chutes are a critical component of all modern skydiving and BASE jumping gear. Pilot chutes are also used as a component of spacecraft such as NASA's Orion. [1]
3: Skydiver fights for main canopy. Main and reserve canopies assume biplane position (one of two possible positions where both canopies can work together). A malfunction [1] is a partial or total failure of a parachuting device to operate as intended. Malfunctions may require a skydiver to cut away their main parachute and deploy the reserve ...
The air delivery system consisted of the cargo package, two parachutes (drogue and main), and the radar actuator. The radar was designed to determine when the cargo reached a preset altitude, generating a firing signal which actuated a mechanism releasing the main parachute at that time.