Bungee Footlock Prusik

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I did, but he said hes backed up through at least the fall.
He said if someone knows how to splice he could walk them through it though. I dont know how to splice

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Jody
I'll Bite, sounds interesting.
I can splice and have 3/8 tenex tec on hand
 
I made my first bungee footlock a few years ago and after about 3 or 4 versions, I think I came up with a technique that is easily replicable, finished up very clean, and remains round. I've sold dozens of these and have had only one that the bungee busted. After you get the maneuvers down, it should only take 20 or 30 minutes start to finish.

I use 3/8 Yalex. Here's what I do

Nick's Bungee Footlock Prusik Directions

1. Form the brummel eyes first, but leave the tails out
2. Run the bungee through the body of the sling, entering and exiting where the tails will eventually go in
3. Run the bungee tails that are flopping out through the tapered tails of each splice. Go in at the tip of each tail and have the bungee sticking out at the top of each tail (right next to the brummels)
4. This part gets funky, but works. Bury the tails (that now have bungee inside them). You'll have to adjust and detangle the bungee as you're doing it, but when you're finished, the splices will be done and there will be a piece of bungee running through the whole splice and sticking out at each brummell.
5. Tie a slip knot stopper knot on one side of the bungee. Pull the other side until the knotted side is pretty close to the bungees.
6. Do a proper sailmakers whipping where you'd normally put one on that splice. This will lock your splice AND lock the bungee in to that side.
7. Now you have to toy with it and adjust the tension by pulling the bungee on the OTHER side. Don't over do it on the tension. If it is too tight, it will fight you as your footlocking and you run the risk of the bungee breaking in use.
8. Now do the sailmakers whipping on the other side (see this link: Here's how I do it: https://sites.google.com/a/splicesbynick.com/www/kubk )
9. Pull the bungee tails gently and snip close so that the tail sortof retracts inside.

You're done. Get out there and climb!

I just spent 10 minutes typing this up. Let me know if there are parts that aren't clear. I'm happy to try and clarify.

love
nick
 
Nick
Thanks for the instructions
One Question- any specific elastic and what diameter?

Andrew
ball is in your court- I need the measurements for the eye sizes and overall length
 
Shoot I'd have to measure what I have. I think the bungee I use is like 1/8" diameter. I can measure it.

Prusik eyes were always in the range of 14-20" depending on what hitch they used, diameter of rope they used, and if they goe double or single line. I always basically forced people to go out with a measuring tape and a sharpie or tape to set up what they use then have them tell me exactly what size the Prusik eye needs to be and what the overall length needs to be.
 
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