When the shroud lines, canopy and pilot 'chute are folded into the 'pack'
(container) and the flaps brought up from the sides and over to enclose
the canopy, the ripcord pins inserted through holes in the cones are
brought up through grommets in the opposing flaps.
The bungee (elastic) cords are hooked to eyes along the packs frame so
that they snap the flaps back when the ripcord is pulled to clear the way
for the pilot 'chute to eject and draw the main canopy out to full
extension. The ripcord cable is run through a sleeve of which one end
ferrule is fastened to the harness webbing and the other end to the pack
side flap in line with the canopy release cones. When the ripcord is
pulled, the direction of its withdrawal is from the canopy pack across the
wearer's chest.
Based on my experience in parachute maintenance in the Pacific during
WW2 and consultations on this procurement action with Hqs AFMC
maintenance professionals, Wright Air Development Center parachute
engineers and AeroMedical Laboratory survival specialists, I concluded
the best approach would be for several contractors to provide USAF with
canopies, harnesses and packs, separately.
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