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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 ...
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.
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 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 ...
Personal ram-air parachutes are loosely divided into two varieties – rectangular or tapered – commonly called "squares" or "ellipticals", respectively. Medium-performance canopies (reserve-, BASE-, canopy formation-, and accuracy-type) are usually rectangular. High-performance, ram-air parachutes have a slightly tapered shape to their ...
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.
By the 1990s, the MC-4 and MC-5 ram air parachutes became the feasible choice, as it allows more detailed and accurate landing in smaller areas, easy to control—especially during oscillation of the canopy. Plus, it was formed to modulate between the LLSL and MFF without having to consort to a different pack.
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.