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chuteshack

canopy design question

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After 100 jumps, the difference would be even greater, because the zero-p canopy would still open hard, but the F-111 fabric will have become more porous and will open softer than it was new.
By the time F-111 main canopies had 500 jumps. we started cutting holes in their sliders to "improve" openings.

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i appreciate your response.as to the origin of the hole in the slider, in 1976 Para Flite was working on designing a fabric that was lighter than the original 1.5 oz Putnam material that was being used in strato stars and strato clouds. they and Don Moloneux(moloneux mills) came up with a 1.25 fabric that had a rather limp feel to it, and was incredibly strong(thats another story). problem with the 1.25 fabric was that if you roll packed the canopy with a strap(free pack), it was so small it hid behind the slider and got no air,and a streamer was the result. the solution was to cut a hole in the slider so the canopy would open.

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