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RAPS evolved into the category system, which allows students to use ram-air canopies from their first jump. In the early jumps the parachute is deployed automatically using a static line; after proving basic proficiency the student progresses onto freefall, opening their own parachute by means of a ripcord and spring-loaded pilot chute. The ...
A slider is a small rectangular piece of fabric with a grommet near each corner used to control the deployment of a "ram-air" parachute. Also called a "reefing device." [2] A ram-air parachute has a tendency to open very rapidly. At high velocities, the opening shock from a rapid deployment can cause damage to the canopy or injury to the jumper.
A parachute airlock, often abbreviated to airlock, is a safety mechanism built into some parachute models which helps them resist losing their shape while open. It uses a ram air structure to stiffen each section of the outer edge. The design was first developed by parachute inventor Brian Germain following a near-fatal ram-air wing collapse in ...
Overly rapid deployment was an early problem with ram-air designs. The primary innovation that slows the deployment of a ram-air canopy is the slider; a small rectangular piece of fabric with a grommet near each corner. Four collections of lines go through the grommets to the risers (risers are strips of webbing joining the harness and the ...
The RA-1 Military Free-Fall Advanced Ram-Air Parachute System (MFF ARAPS) provides a multi-mission, high-altitude parachute delivery system that allows personnel to exit at altitudes between 3,500 feet and 35,000 feet. The parachute, which replaces the current MC-4 parachute, supports a total jumper weight of 450 pounds.
Carl Boenish was an important catalyst behind modern BASE jumping and in 1978 he filmed jumps from El Capitan made using ram-air parachutes and the freefall tracking technique. [9] While BASE jumps had been made prior to that time, the El Capitan activity was the effective birth of what is now called BASE jumping.
The parachute is a seven-celled MT1-X, the first ram-air parachute to be adopted by the U.S. Military as the standard freefall canopy. The wings represent flight and airborne capabilities. Free-fall training
A static line is a cord attached at one end to the aircraft and at the other end to the top of the jumper's "D-Bag" (deployment bag, into which the canopy is packed). The parachutist's fall from the aircraft causes the static line to become taut, this then pulls the D-Bag out of the container on the jumper's back.