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Psychonaut

pack volume inequality

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It really depends what year the Triathlon was sewn.
When they first started making ZP fabric - back in the mid 1990s - Gelvenor Textiles had huge problems with wide variations in bulk. While one Tri 120 would have the same pack volume as a Sabre 1-120, the next Tri 120 would pack like a Sabre 1-150.

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makes sense that the 7 cells would pack smaller than the 9 cells...so yes.



Not by a whole lot. The 7 cells tend to be a bit longer from nose to tail than the 9 cells. More nylon per cell than the 9 cells. The difference is really in the amount of stitching, or so I think...
"Mediocre people don't like high achievers, and high achievers don't like mediocre people." - SIX TIME National Champion coach Nick Saban

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It really depends what year the Triathlon was sewn.
When they first started making ZP fabric - back in the mid 1990s - Gelvenor Textiles had huge problems with wide variations in bulk. While one Tri 120 would have the same pack volume as a Sabre 1-120, the next Tri 120 would pack like a Sabre 1-150.



I have an older Triathlon with the tackified ZP fabric, circa 1998. I assume that when PD took over the company, or was it a PD guy that became head of Aerodyne, can't remember which, the Triathlons started being produced with the same slick fabric as most PD canopies. I don't know if there was a difference in pack volume between the two...
"Mediocre people don't like high achievers, and high achievers don't like mediocre people." - SIX TIME National Champion coach Nick Saban

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makes sense that the 7 cells would pack smaller than the 9 cells...so yes.



Not by a whole lot. The 7 cells tend to be a bit longer from nose to tail than the 9 cells. More nylon per cell than the 9 cells. The difference is really in the amount of stitching, or so I think...



length front to back? yeah the 7 cell has more material there but 9 cells make up for that with width and add to pack volume with additional cells.

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would it be:

spectre < triathlon < pilot (zpx) < sabre2 < pilot (zp)

Taking into consideration the material make-up?

Not stating this as fact. I have no experience in packing anything other than sabre 2 150 and a pilot 140 zpx. Just adding one more variable to ponder over.

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DoNt MiNd ThE tYpOs, Im LaZy On CoRrEcTiOnS!

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Not by a whole lot. The 7 cells tend to be a bit longer from nose to tail than the 9 cells. More nylon per cell than the 9 cells. The difference is really in the amount of stitching, or so I think...



Also the number of lines - 9 cells have more of them than 7 cells.
"It's amazing what you can learn while you're not talking." - Skydivesg

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Aerodyne has gone through many changes of ownership over the years.
Let's see if I remember correctly???
Aerodyne was started - in Florida - by Cliffer Dobson in the late 1980s/early 1990s. Initially they focused on canopies for CF competitors (AR-11, etc.).
By the early 1990s they had perfected the Triathlon (merely an early 1980s 7-cell updated with modern materials) Aerodyne sewed a few canopies in Florida, but sub-contracted most of their production to Parachute Industries of South Africa (like several European parachute manufacturers).

Around 2000, a South African investor (who owned several other aerospace businesses) bought Aerodyne and PISA, and hired the best minds in the skydiving business. American Ian Bellis (moved from Performance Designs' marketing department to head marketing at Aerodyne). The new Aerodyne also hired the best designers from Parachutes de France, which explains why Aerodyne ICON containers look like (P de F) ATOM clones.

After the South African investor drowned - in a kayaking accident, his widow sold off Aerodyne's assets. Parachutes de France bought the PISA factory (primarily to sew military parachutes). A group of Norwegian skydivers/investors bought Aerodyne's patterns and marketing department, but was not able to buy any of Aerodyne's factories.

Which forced Aerodyne manager (and long-time marketeer for PD) "Bushman" to establish a new canopy sewing factory in South Africa and sub-contract contract Aerodyne's container production to Aerofab in DeLand, Florida.
Previously, Aerofab had a long history of sub-contracting container sewing for Sun Path, Relative Workshop, etc.

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