Forums: Skydiving: General Skydiving Discussions:
Softest Opening Canopy

 

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flyboy8501  (B 36584)

Sep 19, 2012, 2:07 AM
Post #51 of 65 (917 views)
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Re: [frontloop33] Softest Opening Canopy [In reply to] Can't Post

I had a sabre 150 open so hard on me once, I basically folded in half and my helmet came off, it was a Z1, it fell 3000 ft and survived... minus some cosmetic damage.... People on the ground that saw it, said it was fully open in about a second... I felt like I had been in a car accident the next day... I never jumped it again! AERODYNE PILOT all the way!


airtwardo  (D License)

Sep 19, 2012, 9:58 AM
Post #52 of 65 (868 views)
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Re: [flyboy8501] Softest Opening Canopy [In reply to] Can't Post

The more I jump my Z-Po 210 by Strong the more I love it...I think it's a combination of the trim and the large pocket slider, that thing opens soft every time no matter how fast & sloppy I pack it or how fast & sloppy I unpack it. Cool


erdnarob  (D 364)

Sep 19, 2012, 12:00 PM
Post #53 of 65 (853 views)
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Re: [Bodhisattva420] Softest Opening Canopy [In reply to] Can't Post

Fully elliptical canopies are known for soft openings. My Katana deploys on a average vertical distance of 600 ft. That has been determined by downloading the data from my Vigil 2 via its interface I have. Instead of working with figures directely, I have worked on 10 consecutive jump graphs (altitude-time from the Vigil 2). By drawing lines precisely on the graphs, I could determine altitudes and time taken (simple physics work). In comparison, using the same method on my former Sabre-2 gave an average deployment vertical distance of 340 ft, quite a difference.

From my point of view, this is the most accurate method when not using more sophisticate expensive equipment. Obviously, soft openings mean longer vertical distances to deploy.Cool


Premier billvon  (D 16479)
Moderator
Sep 19, 2012, 1:56 PM
Post #54 of 65 (811 views)
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Re: [erdnarob] Softest Opening Canopy [In reply to] Can't Post

>Fully elliptical canopies are known for soft openings.

Two of the softest opening canopies I have ever jumped were the Spectre 170 and the Pilot 150. One of the hardest opening canopies I ever jumped was a Katana 120.

Planform is a pretty minor issue in terms of opening severity when compared to slider size, cathedraling, brake settings, trim angle etc.


DocPop  (C License)

Sep 19, 2012, 2:38 PM
Post #55 of 65 (796 views)
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Re: [billvon] Softest Opening Canopy [In reply to] Can't Post

In reply to:
>Fully elliptical canopies are known for soft openings.

Two of the softest opening canopies I have ever jumped were the Spectre 170 and the Pilot 150. One of the hardest opening canopies I ever jumped was a Katana 120.

Planform is a pretty minor issue in terms of opening severity when compared to slider size, cathedraling, brake settings, trim angle etc.

My KA 135 and 120 both open really softly. To the point where I have started packing the nose like a reserve to speed it up.


godfrog

Sep 19, 2012, 2:49 PM
Post #56 of 65 (786 views)
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Re: [DocPop] Softest Opening Canopy [In reply to] Can't Post

softest opening canopy I have is my cruise lite, pitched at 5000 and it just sniveled, to high for a cut away so I waited, reached for the cut away at 2500 and it got scared and opened. haven't jumped that one in a long timeWink


mjosparky  (D 5476)

Sep 19, 2012, 5:27 PM
Post #57 of 65 (762 views)
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Re: [billvon] Softest Opening Canopy [In reply to] Can't Post

In reply to:
Planform is a pretty minor issue in terms of opening severity when compared to slider size, cathedraling, brake settings, trim angle etc.

With trim and slider being the biggest factors. You add 1 to the A lines and 1 to the B lines of a hard opening canopy and it will open sweet. It may fly like shit but it will open sweet. Canopy design is all about trade offs.

Sparky


Premier skydiverek  (C 41769)

Sep 20, 2012, 3:00 AM
Post #58 of 65 (729 views)
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Re: [mjosparky] Softest Opening Canopy [In reply to] Can't Post

In reply to:
In reply to:
Spectre 190, Dacron lines, 27-inch F-111 pilotchute, larger 26x31-inch slider with brass grommets. Pure delight!!! 5-10 second openings!!!

That's not an opening...that's a malfuction. WinkTongue

Just to add to my Spectre config listed above, it opens similar (if not a bit slower) than the first opening shown here:

http://performancedesigns.com/...s_endcellclosure.asp

Cool


Krip  (Student)

Sep 20, 2012, 10:23 AM
Post #59 of 65 (692 views)
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Re: [godfrog] Softest Opening Canopy [In reply to] Can't Post

In reply to:
softest opening canopy I have is my cruise lite, pitched at 5000 and it just sniveled, to high for a cut away so I waited, reached for the cut away at 2500 and it got scared and opened. haven't jumped that one in a long timeWink

Hi God

Bought one newFrown

When it started to snivel we stopped rolling the nose.

It helped for a while then we hot knifed a coffee can size hole in the slider.

That helped for a while then we had to resort to pumping the shit out of the brakes to get it to open.

We were pulling at 2.5. only cut it away once or twice Wink

We finally threw the POS away (it only had 500 jumps on itFrown) Bought a Sabre first jump left the nose fully exposed like the cruise litePirate

Let someone pack the Sabre once.PiratePiratePirate. lesson learned roll your own or know the packer. Smile

Kathy from TPP was a real pro there are some others that can give some advice on packing for a soft opening just know who your talking to.

R.


godfrog

Sep 20, 2012, 10:30 AM
Post #60 of 65 (687 views)
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Re: [Krip] Softest Opening Canopy [In reply to] Can't Post

In reply to:
In reply to:
softest opening canopy I have is my cruise lite, pitched at 5000 and it just sniveled, to high for a cut away so I waited, reached for the cut away at 2500 and it got scared and opened. haven't jumped that one in a long timeWink

Hi God

Bought one newFrown
____________________________________________________________

Always pack my own Krip, tried alot of methods with that old rag to, reason I opened high is because I was with a person with new gear and he opened at 6000'. only cut the thing away once though.
That old 22' sac reserve had a pretty docile opening toSmile

When it started to snivel we stopped rolling the nose.

It helped for a while then we hot knifed a coffee can size hole in the slider.

That helped for a while then we had to resort to pumping the shit out of the brakes to get it to open.

We were pulling at 2.5. only cut it away once or twice Wink

We finally threw the POS away (it only had 500 jumps on itFrown) Bought a Sabre first jump left the nose fully exposed like the cruise litePirate

Let someone pack the Sabre once.PiratePiratePirate. lesson learned roll your own or know the packer. Smile

Kathy from TPP was a real pro there are some others that can give some advice on packing for a soft opening just know who your talking to.

R.


Airviking  (C 16360)

Sep 20, 2012, 11:24 AM
Post #61 of 65 (669 views)
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Re: [oldwomanc6] Softest Opening Canopy [In reply to] Can't Post

In reply to:
Don't confuse soft with slow... Personally, I wouldn't like a canopy that took 1000' to open every time. Crazy

+1
My 210 Spectre spends a good 800ft not opening. That's just wasted to to me. My old Pegasus would start opening as soon as it was out of the bag, and still super soft.

Oh, and yeah, the Spectre opens soft, except when it doesn't.Crazy


erdnarob  (D 364)

Sep 21, 2012, 9:53 AM
Post #62 of 65 (606 views)
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Re: [billvon] Softest Opening Canopy [In reply to] Can't Post

Hard openings can likely happen on any parachute when for instance your slider moves up away from the stoppers only by one inch. Also, when you evaluate the vertical distance for a canopy deployment you should take a reasonable sample and take the average. One opening is not always significant for evaluating how hard opens a parachute. One time (the only time) my former Sabre 2 opened on a vertical distance of 180 ft (really hard). I am pretty sure that the packer had not checked the slider being against the stoppers. I complained to the packers responsible person who said she will pack herself my Sabre 2. It didn't happen again. No wonder, my Sabre 2 was opening on an average vertical distance of 340 ft (based on 10 consecutive jumps).


Sped  (D 12662)

Oct 11, 2012, 7:28 AM
Post #63 of 65 (458 views)
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Re: [erdnarob] Softest Opening Canopy [In reply to] Can't Post

My Glidepath Fury 220. 400 foot or less opening soft smooth and on heading EVERY time. For a camera jump, 15 lbs back then, I'd roll the nose, flat pack it, (Yeah Im one of those) and had a 36" F111 pilot chute. The older my PC got the smoother the openings. I had no problems pitching at 2000 at all. I wish someone made a ZP fury. The closest i came was an Omega with almost 1000' snivels. I put a 159 slider on my 169 and solved that problem. It brought it back to 500' smooth openings. I dont freefly at so I dont need 10 second snivels


Jadera

Oct 11, 2012, 2:10 PM
Post #64 of 65 (408 views)
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Re: [Bodhisattva420] Softest Opening Canopy [In reply to] Can't Post

Definitelly Hurricane from parachute systems..
have experience both with Hurricane 150 and 120 (currently owned) Smile


BartsDaddy  (B 21580)

Oct 11, 2012, 8:03 PM
Post #65 of 65 (366 views)
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Re: [Jadera] Softest Opening Canopy [In reply to] Can't Post

I would recomend a saber one opens quick and doubles as a chiopractor gotta love it


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