Parachute air drop load impact reducing system

Details Parachute air drop load impact reducing system Parachute air drop load impact reducing system

1977-07-29

1978-11-28

Kelmachter, Barry L.

Aeronautics and astronautics

Safety lowering devices

B64D 114, B64D 1722

Patent

active

041272463

ABSTRACT:
A system for reducing the ground impact of a load in a parachute air drop system having the parachute canopy attached to a first platform and the load attached to a second platform. The first platform and second platform are connected together by a plurality of elastic cords. The elastic cords are held in a relaxed state by a steel cable connected between the platforms. A ground probe supported on a line a predetermined distance below the cargo load has switch contacts which close when the probe reaches the ground to operate a cable cutter. The cable cutter cuts the steel cable connected between the platforms to permit the cargo to free fall under the restraint of the elastic cords. The partially unloaded canopy and the air mass inertia under the canopy is used to slow the cargo load velocity just prior to touch down.

REFERENCES:
patent: 2414284 (1947-01-01), Bacon
patent: 2560445 (1951-07-01), Jackson
patent: 2662707 (1953-12-01), Vann
patent: 3113752 (1963-12-01), Brestel

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