Download Parachute

 Definition:
Parachute = device used to
slow the motion of an object
through the atmosphere
 Material: light, strong cloth
 silk (originally)
 Nylon
 Qualification: Parachute has to slow an object‘s vertical
speed by a minimum of 75%
Round-type parachutes
Ram-air-type parachutes
 Military, emergency, cargo
 ‚Ram-air‘ airfoil called
use
 Former types suffered from
oscillations (= user swinging
back and forth)
 Hole in the apex reduced
them
 Army – parabolic shapes
parafoil
 Control of speed and
direction
 Two layers of fabric –
connected by airfoil shaped
fabric ribs forming “cells”
Round-type parachutes
Ram-air-type parachutes
Note:
Ripcord – device securing the container closed prior to use.
BRIDLE – piece of webbing connecting the pilot chute to the canopy