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Help me (hopefully) prove someone wrong

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I was talking to someone about swooping the other day, and he swore blind that it just couldn't be done on a (fairly) big 7-cell. I tried pointing out that a big canopy won't fly/approach at the same speeds for two different people with different wingloadings, and that a modern 7 cell like a Spectre will swoop quite well - not comp standard or anything like that.

Anyway, he wasn't having any of it, so could someone point me to decent quality pics or videos of 7 cells being swooped please?

Disclaimer: neither of us are trying to swoop yet, or will be for a good long time. I just want to show him that it can be done.

Nick
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"I've pierced my foot on a spike!!!"

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Does he realize that canopies like the Xaos-21 are 7 cell canopies?

Oh, and yes, non-crossedbraced 7 cell canopies can swoop. Spectres, Diablos...I've seen both of those swooped and swooped well.

As for pics? Sorry bro, don't have any. Check some of the galleries, check Josh Hill's stuff, there might be some there.
--"When I die, may I be surrounded by scattered chrome and burning gasoline."

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Well, technically the Velocity and FX are 7-cells... I'll poke around when I get home... I'm sure I have a few pictures of spectres doing a little turf surf.

Josh
All that is necessary for the triumph of evil is that good men do nothing. - Edmund Burke

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the spectra and stilletto use identical airfoils, only difference is the planform.

7 cell planforms are typically non elliptical and definately lower aspect ratio than 9 cell canopies. bottom line they are just less efficient.

but you can definately swoop a loaded 7cell.

sincerely,

dan<><>
www.extremefly.com
Daniel Preston <><>
atairaerodynamics.com (sport)
atairaerospace.com (military)

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Bridgette Liss used to tear shit up swooping under a Spectre. She placed in the top 10 in intermediate class a while back under one.

As for larger 7-cell canopies, I've seen a guy do some amazing things with a Diablo 170.

It all comes down to the pilot.
Sky, Muff Bro, Rodriguez Bro, and
Bastion of Purity and Innocence!™

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I have swooped a fury 220 about 30 feet or so. I had low jump numbers at the time and it was a really really really stupid move, thank god something was on my shoulders that day looking over me and I pulled it off fairly well... it can be done with and ram air canopy in my opinion, maybe not 300 feet, but you can definately build speed and swoop it..


-yoshi
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this space for rent.

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Ever see some Crw guys??? One, they have to use front risers to get those Crw canopies to land well, but I have seen some really nice swoops out of a Lightning!!! Anywho, I believe that there is a picture in last months Parachutists of someone swooping a reserve across the pond. Check it out.

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Do you have 'Crosswind'? Show him that. You'll see big fat 240+ sq ft 7 cell BASE canopies getting swooped like bastards. Technically, you can swoop anything that isn't round.



(edited to add a couple omitted words)
"¯"`-._.-¯) ManBird (¯-._.-´"¯"

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Let's talk about swooping Big 7 cell canopy's. What's you definition of big? I work at the Air Force academy with the wings of Blue parachute team. The canopy's I routinely jump are as folows:
1. Spectre 170 Swoops often 90' +
2. PD 218 Swoops often 30-40'
3. PD 235 Swoops often 25-35'
4. PD 300 (Student) swoops 15-20'+
My personal canopy:
1. FX-104(Cross Braced 7 cell) Swoops 300'+

Tell your little friend, any canopy can be "Swooped", it's all how the pilot does it.

"It's not the size of the boat baby, but the motion of the ocean..." Nigel Powers... Austin Powers III

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Not saying they are very long swoops, but yeah, Í know a couple of CReW guys that swoop their Lightnings/Comp Triathlons fairly well (see pics, these are the best I have...).

Not to mention the airlocked/crossbraced stuff of course...

ciel bleu,
Saskia

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Not saying they are very long swoops, but yeah, Í know a couple of CReW guys that swoop their Lightnings/Comp Triathlons fairly well


Yea I saw one of the guys on the US crew team swoop the pond at SNE after breaking off from a down plane. The lightning swooped pretty far.


Team Mantis----Mantis #3

Stop Looking at Me Swan!

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My second canopy was an Icarus Omega 129 elliptical 7 cell loaded around 1.5/1 and straight in landings sucked on no wind days! Right before I traded it in on a CrossFire 99 I finally figured out that if you hooked it even 90 degrees before landing it would actually swoop decent and have plenty of lift that was really lacking on the straight ins.












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the spectra and stilletto use identical airfoils, only difference is the planform.



That's cute, and if true, absolutely useless to anyone in this discussion.

Because obviously then, airfoil has nearly nothing to do with canopy flight characteristics.

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