Accession Number : AD0785657

Title :   Uniform Wind Trajectories of a Gliding Parachute using Azimuth Homing,

Corporate Author : ARMY NATICK LABS MASS

Personal Author(s) : Murphy,Arthur L. , Jr.

Report Date : 1972

Pagination or Media Count : 12

Abstract : Conventional parachute systems must be launched at the lowest possible altitude in order to insure acceptable accuracy. Due to the need for such critical release point positioning, delivery aircraft are required to maneuver in a restrictive and generally unfavorable air space. This is particularly true for the majority of resupply missions necessitating an airdrop. It is, therefore, of interest to consider advanced airdrop techniques, with the objective of relaxing launch constraints while maintaining or improving drop zone accuracy. This paper is concerned primarily with the trajectory or flight path aspects of gliding parachute development. The presentation is analytic in scope, producing from geometric constraints imposed by the guidance scheme, a class of closed form solutions specifying trajectories and launch criteria.

Descriptors :   *Air drop operations, *Parachutes, *Parachute descents, Descent trajectories, Azimuth, Homing, Lift to drag ratio, Gliding

Subject Categories : Gliders and Parachutes

Distribution Statement : APPROVED FOR PUBLIC RELEASE