Forums: Skydiving: Gear and Rigging: Re: [Rickendiver] Hard Openings: Edit Log


davelepka  (D 21448)

Sep 14, 2013, 4:16 AM

Views: 2556
Re: [Rickendiver] Hard Openings

 
What do you do with your lines when they exit the bottom of the riser trough and come into the main pack tray? What you should do is have them continue straight down in the same direction all the way to the very bottom corner of the pack tray, then make a 90 degree turn in toward the middle of the pack tray, with the left and right ends meeting up in the center. The whole time, the lines are following the seam of the bottom and sides of the pack tray. Once they meet in the center, they join up as 'one' again, and the remainder of the line up to the last stow on the bag can then be coiled up on the floor of the main pack tray. Does that make sense?

Here's why I mention this - what you don't want to do is have the lines make a 90 degree turn coming out of the riser trough and meet up in the center of the seam between the bottom of the reserve container and the floor of the main pack tray. The reason is that if the bottom of the reserve container is 'overhung', meaning that it's not a perfectly flat, vertical wall coming up from the floor of the main pack tray, and you run you lines under that overhang, they can get caught under there on the way out and it would feel just like a riser cover not releasing. On side would be free to unstow, and the other would hang up for an undetermined amount of time.

Even if you don't deliberately tuck your lines up under there, if you don't deliberately route them straight down to the bottom corner, you stand a chance of them getting hung up. You mentioned a fresh reserve repack and being the only new factor, so your lines might be an area to look into.

And yes, you should have enough unstowed, free line to make it all the down to the bottom corner, across to the middle of the container, and then still have a little slack before the last stow on the bag.

With regards to your riser covers themselves, I had some hang ups early on with my Infinity (like in the first 20 or 30 jumps), and this was on a Velo loaded up at 2.5 to 1, and I never had any problems with the openings aside from feeling a 'bump' in the process.

You describe being hit with the risers in various places, so I'm thinking that you're getting tossed around pretty good before the riser releases, and I just don't think a riser cover would do that. With one riser cover open and one closed, the difference in length is not sufficient to create that type of leverage to move you around that much, especially with a rig that has 140 trouble-free jumps in the bag. Now if one riser (or line group) was hung up under the corner of the reserve container, that another story and a difference between the risers 4 or 5 times greater than a hung riser cover.

Quote:
I changed my packing method to include double wrapping the grommet stows

FYI - tighter line stows will not slow down your opening. If the lines are tight enough that they cannot 'fall' out of the bands, that's good enough. As long as they stay in place long enough to allow proper staging of the deployment, they're doing their job. You're not going to be able to make a rubber tight enough to slow the pilot chute, and even if you did, it's the pack job inside the bag that makes the opening, not the speed at which it get's to line stretch.

Note that many manufacturers now offer D-bags with locking stows only, and a pouch to hold the loose, coiled lines that remain. There is zero drag on the PC from the lines as they play out of the pouch, and people report great openings with these bags.


(This post was edited by davelepka on Sep 14, 2013, 4:19 AM)


Edit Log:
Post edited by davelepka () on Sep 14, 2013, 4:18 AM
Post edited by davelepka () on Sep 14, 2013, 4:19 AM


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