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Slow slider in subterminal
Hi guys I have a bit of a worry about my canopy performance. I have a troll 245 MDV along with a flik ultralite. Yesterday I jumped a new object (230 m+talus)and took a 6,4 sec delay, pulling at a high enough altitude (but not too high, in order to get separation off the wall). I felt a slider hesitation before it coming down, and found myself very close to the talus (probably 15-20 m or less, look at the big boulder at my left). My friends told me that my opening looked scary as seen from below. I Used a zp 38 PC which I think did its job pretty well(video) and packed without direct control nor rolling the nose, leaving center cell exposed, so I was expecting a fast opening as usual since I hadn't experienced such a slow opening in both my troll and flik, not even in these subterminal objects I regularly jump. I'd appreciate some advice since I have a feeling of not being able to trusting my canopy anymore for said jumps, where it's important a good separation, therefore you're forced tu pull a bit low. I'd also like to know if someone had similar experiences. Thank you
Here´s the video

https://vimeo.com/94538676
or
https://www.youtube.com/watch?v=5k2DLTgGkT8
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Re: [picopow] Slow slider in subterminal
Did you use deep or shallow brake setting?

I´ve had openings like that a couple of times before. Its a good reason to avoid low pulls when possible Wink
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Re: [michael406] Slow slider in subterminal
I always use shallow brakes setting slider up
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Re: [picopow] Slow slider in subterminal
Looked pretty normal to me... not really sure you had that slow of an opening... it'd be nice to have seen it from the bottom.
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Re: [picopow] Slow slider in subterminal
Here
or
Here
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Re: [picopow] Slow slider in subterminal
Might be worth trying a slider for a canopy one size larger. Worked great for my canopy that has 500+ jumps on and was starting to have the same issue.
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Re: [hjumper33] Slow slider in subterminal
Depends on the canopy size and manufacturer... some use the same slider for certain ranges... like 220-240, 240-260, 240-280 etc...
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Re: [picopow] Slow slider in subterminal
http://=https://www.youtube.com/watch?v=Zg2xL5BeMFE
this is me doing a 6+ from a 330m E. I did the same as you. trying to get separation from the wall and the planet. I always plan for a fark. My opening snivelled. had i miss grabbed, i would be dead.
trust your self and not the gear. But sometimes say farkit andgo with the role of the dice...play with the edge but there is no future in that. Get your game on. Study the slider. Atair can do a slider specific.
take care,
space
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Re: [base283] Slow slider in subterminal
base283 wrote:
https://www.youtube.com/watch?v=Zg2xL5BeMFE

FTFY
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Slow slider in subterminal
What's the current stance on waxing the (some) lines if the slider lingers? Any issues other than premature wear to the lines with the grit/dirt it may attract?
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Re: [OLopez] Slow slider in subterminal
Great question, I'm wondering the same thing.
I wanted to lightly wax my break lines to reduce wear & tear from slider friction, I ended up re-lining the canopy because of fraying.

To my knowledge wax is an oil/petroleum derivative. From what I understand oil is abrasive to and can do damage to nylon based materials. There are natural wax compounds that are not synthesized but I don't know how they react with Nylon.
Is Dacron polyethylene based or nylon based?
Does polyethylene degrade the same way as nylon does in oil based products?
Would it be acceptable to wax lines?
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Re: [OLopez] Slow slider in subterminal
if you need to wax your lines like in old school rounds. you are playing too close IMHO.gO WITH Spectra lines next to your will and last testement...
Where is the prob? the slider or your decision?
take care, and play with the pack job.
space at Dan, acid eats nylon, not petroleum derivatives.
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Re: [dan_inagap] Slow slider in subterminal
dan_inagap wrote:
To my knowledge wax is an oil/petroleum derivative.

You are meant to use bees wax when waxing lines. Which I guess would make it a "bee" derivative :-)
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Re: [picopow] Slow slider in subterminal
Hi !

It doesn't look that slow. For a 6 sec slider up, that's the kind of opening you can expect.
But if you want to faster your openings on these kind of delay, you can :
- use a bigger slider
- wax your lines
- use deep brake (there's nothing wrong with it on subterminal slider up jumps)

Have fun and be safe.
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Re: [OlivierCh] Slow slider in subterminal
um,,, biggerslider aint the way to go. biggermesh... deep brakes suck for slider up; waxing your lines? if it makes you feel better. 2.5 incorrect answers out of 3.
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Re: [base283] Slow slider in subterminal
oops, a bigger, mesh slider will help, 1.5
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Re: [OlivierCh] Slow slider in subterminal
I was in fact suprised because I regularly jump with such delays, since there are plenty of subterminal objects in my area, and this was by far my slowest opening, it would have been nice watching video from my friends but they were not recording. Deep brake setting may help, but I am not sure about the way it would affect my openings, and there is the open in a stall risk, or with lower horizontal speed and more vertical speed, which I am not sure is a good thing that close to the talus. About waxing the lines, first time I hear that. Thx anyway
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Re: [picopow] Slow slider in subterminal
What if you used a hot knife to cut a large hole in the center of your slider and make it a dedicated subterminal slider?

As a side note, this thread made me think it might be nice to have a variable speed slider. I'm thinking some sort of pocket in the middle that could be changed small mesh, big mesh, sail, or nothing.
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Re: [Fledgling] Slow slider in subterminal
Bee's wax just never crossed my mind for some reason.... Of course Crazy
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Re: [base283] Slow slider in subterminal
base283 wrote:
deep brakes suck for slider up
Not if it's a subterminal jump.
And deep brake can be used for terminal jumps. The only problem is that it may stall a little the canopy at opening (especially if factory brake setting is deep). So I wouldn't say it sucks.
(I'm talking about the deep factory setting, not the custom DBS).

In reply to:
waxing your lines? if it makes you feel better
Agree with that. It can help a little (espiecially if combined with a bigger slider) but I doubt it would make a big difference.
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Re: [picopow] Slow slider in subterminal
picopow wrote:
Deep brake setting may help, but I am not sure about the way it would affect my openings, and there is the open in a stall risk
The stall is unlikely to happen on a subterminal jump if you have a vented canopy. It can happen on a terminal jump, but it's not a big deal if you don't pull low.

In reply to:
or with lower horizontal speed and more vertical speed, which I am not sure is a good thing that close to the talus
Right. That's the kind of jump where you can choose the risk you "prefer".
On such a jump, I prefer a little more vertical speed (with risk going faster to the talus) than a little more horizontal speed (with risk going faster to the wall if off heading).
It also depends on the configuration of the jump (vertical, overhung, clear tallus, shitty tallus, etc...)
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Re: [OlivierCh] Slow slider in subterminal
Has anyone used a no mesh slider on here, ie just tapes and grommets? I upsiZed my slider and it's noticably faster despite it apparently making no difference and not working at all as previous posters have pointed out. I wondered how removing all the mesh would work but just haven't done it yet. I jump 3-4 seconds slider up as my most common jump.
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Re: [hjumper33] Slow slider in subterminal
Talk to the crw guys using spider sliders. I've only just begun making/using them but i'm sure it is a possibility to be explored...
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Re: [hjumper33] Slow slider in subterminal
hjumper33 wrote:
Has anyone used a no mesh slider on here, ie just tapes and grommets?

I have.

The difference on short delays is pretty small. As the delay increases the difference becomes _much_ more noticeable.

I'd be happy with a spider slider on 5-7 second delays. I'd be a little worried taking one to terminal repeatedly.
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Re: [hjumper33] Slow slider in subterminal
In reply to:
I jump 3-4 seconds slider up as my most common jump.

The serious CRW people here use spider sliders, up to 4 seconds max.

I don't know any CRW peeps who are happy to take them any further than that.
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Re: [MBA-FRANK] Slow slider in subterminal
MBA-FRANK wrote:
In reply to:
I jump 3-4 seconds slider up as my most common jump.

The serious CRW people here use spider sliders, up to 4 seconds max.

I don't know any CRW peeps who are happy to take them any further than that.

Out of a plane? 4 seconds from a plane door is a lot more airspeed than 4 seconds from an object.
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Re: [MBA-FRANK] Slow slider in subterminal
MBA-FRANK wrote:
In reply to:
I jump 3-4 seconds slider up as my most common jump.

The serious CRW people here use spider sliders, up to 4 seconds max.

I don't know any CRW peeps who are happy to take them any further than that.

Gary used to sometimes.

He'd do full skydives with spider slider, then do crw after break off.

The openings didn't look like fun though.
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Re: [hjumper33] Slow slider in subterminal
What's the technical reason that bigger slider provides faster openings?
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Re: [skow] Slow slider in subterminal
skow wrote:
What's the technical reason that bigger slider provides faster openings?

It allows the canopy to spread open more at linestretch which in turn speeds up the inflation stage (when using large mesh sliders). Obviously when skydiving with a sail slider it would have the opposite effect due to the larger sail being held in place longer. I have never jumped small mesh sliders so I have no clue on those.
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Re: [MrHey] Slow slider in subterminal
Hello Mr. Hey Smile,

In reply to:
Gary used to sometimes.

He'd do full skydives with spider slider, then do crw after break off.

The openings didn't look like fun though.

Yes, Gary had a very tough body build and he trusted his gear, which also proved to be very strong.

I'm not that keen, myself. Ha!