The patent application refers to a device whereby the inflation time of a parachute is controlled in a manner commensurate with its air speed of deployment by using a control line, sometimes referred to as an anti-squid line, connected to the canopy apex and the load. The length of the control line is foreshortened by a plurality of spaced, severable breakcords of the same or varying tensile strengths designed to part sequentially at predetermined airspeeds. This increases the air-turn-around distance of the canopy and delay drag surface inflation. The breakcords in rupturing, gradually and consistently attenuate a portion of the applied snatch force on the control line.
Apparatus and Method for Controlling the Inflation Time and Applied Snatch Forces on a Parachute
1973
17 pages
Report
No indication
English
Snatch force during lines-first parachute deployments
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