kevin922 0 #26 February 13, 2003 QuoteQuote QuoteThis brings me back to a question I've had for a while... What is the real difference thats causing PD canopies to pack so large and the Tempo to be so small? hell i don't know. maybe different "f-111" material Or maybe because they have a higher aspect ratio No, the reason is PD does a lot of reinforcement and whatnot -- it's a higher quality canopy. Pisa doesn't have all the same reinforcement PD has. More reinforcement = more material Quote Share this post Link to post Share on other sites
SkyDekker 1,465 #27 February 13, 2003 So, from the letter I understand that if you want a PISA canopy you better order it today!!!!!!! Quote Share this post Link to post Share on other sites
councilman24 37 #28 February 13, 2003 Not all manufacturers follow PIA's method of determining area or pack volume. PD doesn't do area by PIA standards, Precision and Jump Shack don't do volume by PIA standards. Work is ongoing to revise these standard test measurements to something that all will agree on, but it's a bunch of skydivers. They'll never all agree. George at Precision wants to say his canopys pack smaller. Bill at PD want to say they're small canopy will handle higher weights. A big part of this is marketing. And I've said as much in the technical meetings. At the PIA business meeting in January the French goverment representatives wanted a volume measurement on all container and canopy placards so that compatibility could be determined easily. We all know that not only measurements methods are different but sewing and material variations can lead to 10% or more variation in "volumes." If you have a 10% big container and a 10% smaller reserve, you may be able to fit a reserve 1 or 2 sizes bigger in a given harness. The other way around and your customer is made because he ordered the absolute smallest rig that would "nominally" hold his chosen reserve and you tell him it won't fit. Also each riggers packing style may be more or less sucessful with a given rig/canopy combination. We tried to convince the French that even if numbers were put on placards they wouldn't guarentee compatibility. Soooooo, only your rigger knows for sure if it fits. I'm old for my age. Terry Urban D-8631 FAA DPRE Quote Share this post Link to post Share on other sites
