slider-up line-overs

[guest]

Are many people using a rubber band stow on the back of their slider (mesh/sail) to take a bite of brake line, in order to try and prevent line-overs? I used to jump a Sabre like that (skydiving, of course) as well as an old Challenger accuracy canopy with long, sloppy brake lines.
Those people who ARE using this system... how's it working out? Does it slow openings on mesh slider jumps? Affect opening performance on sail slider jumps? Would you take it off the NRGB?
It just seems to be a simple but effective way of controlling the brake lines during slider-up packing and deployment, but... I haven't tried it on a BASE jump, yet!
Thanks,
Mark.

[Yuri]

Yo !

Yes, i use this exact rubber band on every slider-up jump. It makes trash-packing over the shoulder a bit easier by keeping your steering lines in place, but does not affect the opening in any way. Basically, using this rubber band is equal to manually checking your steering lines position after you have laid the canopy down.

bsbd!

Yuri.

[guest]

I used to use and reccomend this method of packing with the Mojos. In fact if you bought a Mojo up until about 1995 the slider had a tab for stowing the rubber band.

However, through time, I became convinvced that it compramised heading performance and I abandoned the concept. We did this in part becasue of my observations with repect to heading performance and also I felt that it was somewhat redundant considering the slider grommets (which do an excellent job of controlling the lines) usually sat about 8 inches from the rubberband stow.

On the slider-up line over subject, I would point out that Tom's recent post (and photos) showed a suspension line over the canopy. I only galnced at the photos but, from what I could see it was not a control line.
Tom can you verify this?



www.crmojo.com :+

[460]

When Tom cuts the brake line, the toggle falls away and the line-over ends.

Heading performance with the stowed brake lines, at least for me, seems to deteriate a little on shorter delays, like 4 seconds or so. On longer, 6 to terminal, I've noticed no heading problems, with essentially all openings being dead on-heading.

[Lukas]

I have been jumping a slider up mod for years. I have 1 inch square bits of male velcro sewed onto the point where the steering lines attach to the tail of the canopy. I then have the same but with the female velcro on the right side steering line attachment point. I simply stick them together in the pack job. I have verified from video that they survive extraction shock on 5 sec delays at least so I actually have some form of simple steering line reefing in addition to the slider. Many saw this mod in KL 2001 and liked it.

Will post photo's soon.

I still haven't had a satisfactory answer why I can't use a tailgate slider up. A friend of mine does it all the time and swears by it. MK says it slowed his opening down. When I use a tailgate it doesn't sit tight, just 2 wraps. Surely this must be OK slider up ?????????

/Lukas

[imported_Tom Aiello]

My line over was the left control line. It appeared to be the entire control line (full cascade) that bow-tied the canopy (not just a part of the cascade).

Cutting the left toggle with a hook knife totally cleared the malfunction.

I believe the primary contributing factor was rough handling (and much travel) between packing and jumping.

--Tom Aiello
tbaiello@mac.com

[Lukas]

Can you elaborate on how rough handling affects the packjob. Is it such that your canopy is sloshing around inside the rig ?

/Lukas

[guest]

Vertigo has been putting a tab at the center of the trailing edge of the slider for about 12 years now. Sure, when you put a slider on you are increasing your chances of an off-heading opening. This is a nice insurance policy against the dreaded line over. We recommend a bite of brake lines that measures no more than 1" from the rubber band to the top of the arc of the bite. Another nice thing that this "slider gate" as we have been calling it (to make it clear as to it's similarity in function to a tail gate) is that it holds the slider up as well. If your slider travels down the lines just a bit it can increase opening shock.