TERMIUM Plus®

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OPENING SHOCK LOAD [1 record]

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Record 1 2008-08-15

English

Subject field(s)
  • Air Defence
  • Paradrop and Airdrop
DEF

initial force: A force peak resulting from the completion of that portion of a parachute canopy inflation process wherein the canopy fills from the skirt to the vent.

OBS

Under normal loading conditions, this is not the maximum opening force for a solid flat circular canopy, but is the maximum for canopies of the extended-skirt and geometric-porosity type.

CONT

Reefing assembly for a circular parachute: A reefing assembly for a circular parachute having a canopy including a skirt portion, and suspension lines attached to the skirt portion. The assembly includes a tension structure bounding a central opening and having a plurality of straight segments. A plurality of cords, each cord having two ends, are each fixed to one end of one of the tension structure straight segments to define a loop, and a plurality of rings slidably disposed on each of the loops. Each of the rings is slidably connected to at least one of the suspension lines. The rings are clustered together at a central portion of their respective loops, and upon deployment of the canopy, slide along their respective loops to become substantially equidistantly disposed on their respective loops. The assembly facilitates a restrained opening of the canopy and thereby reduces opening shock load.

French

Domaine(s)
  • Défense aérienne
  • Parachutage et largage

Spanish

Campo(s) temático(s)
  • Defensa aérea
  • Lanzamiento aéreo y por paracaídas
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