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#18934 - 03/28/06 04:42 PM
Rapping off of Spectra Slings?
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addict
Registered: 04/03/03
Posts: 495
Loc: In the midst of a "psychotic b...
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This topic came up on another forum... and quickly turned into a bloodbath of an overly-opinionated, under-informed shouting match.
I've heard at least once or twice that rapping with your rope through a Spectra sling is dangerous. I always assumed that this was because of:
1. The low melting point of Spectra, and that a short shift of the rope in either direction could cause enough friction (under load) to start degrading the sling.
2. The limited surface area of the sling presents a greater risk of tangling the rope than is the case with standard, nylon webbing.
or
3. The weave of the Spectra material could actually create a situation in which the fibers would cut the rope.
Any thoughts?
Zach
_________________________
Give me liberty, or give me death!
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#18938 - 03/30/06 03:01 AM
Re: Rapping off of Spectra Slings?
[Re: talus]
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old hand
Registered: 04/16/02
Posts: 981
Loc: a wanna be kerhonkson-er
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Quote:
Do it do it if you think your life is worth $5.00
What should I do if my life isn't worth that much? I put it up on ebay but only got offered 52 cents and my minimum price was $1 
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#18940 - 03/30/06 01:49 PM
Re: Rapping off of Spectra Slings?
[Re: learningtolead]
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Carpal Tunnel
Registered: 04/30/01
Posts: 4238
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Quote:
Quote:
Do it do it if you think your life is worth $5.00
What should I do if my life isn't worth that much? I put it up on ebay but only got offered 52 cents and my minimum price was $1
Send the link to the auction- I'll bid $5.00.  
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#18941 - 03/30/06 02:22 PM
Re: Rapping off of Spectra Slings?
[Re: strat]
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Carpal Tunnel
Registered: 05/01/01
Posts: 3143
Loc: in your backyard
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Quote:
Send the link to the auction- I'll bid $5.00
I'll give you $5.25 !
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#18942 - 03/30/06 02:38 PM
Re: Rapping off of Spectra Slings?
[Re: Smike]
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gumby
Registered: 03/12/02
Posts: 2308
Loc: Hudson Valley, NY
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She's a perfectly good token chick climber girl, I'd bid at least $7.50 for onea those, assuming it was in reasonably good condition, relatively low wear, etc.  If she was 'vintage' she'd probably fetch closer to $10 
_________________________
"Flailing?" "Flail on!"
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#18943 - 03/30/06 02:39 PM
Re: Rapping off of Spectra Slings?
[Re: Smike]
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Pooh-Bah *
Registered: 09/07/01
Posts: 2483
Loc: Davis Sq., MA
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My recollection is that Freedom of the Hills lists rapping through nylon slings as standard procedure. True, the melting point of Spectra is lower than tubular webbing, but if the rope remains stationary (i.e, you rap slowly and carefully), the risk is probably (I said PROBABLY) not too great. I have heard of people top-roping off this set-up (doing so ignorantly after someone else had rappelled), and cutting through. Of course, I'd never use such a sling again after pulling the rope through it! But really, we're generally talking about a situation that would only likely occur when bailing off a long alpine route, right?
_________________________
we're all living proof that nothing lasts
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#18944 - 03/30/06 03:28 PM
Re: Rapping off of Spectra Slings?
[Re: learningtolead]
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veteran
Registered: 08/23/04
Posts: 1249
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Quote:
Quote:
Do it do it if you think your life is worth $5.00
What should I do if my life isn't worth that much? I put it up on ebay but only got offered 52 cents and my minimum price was $1
do some good deeds like helping an old lady cross the street or putting leashes on a strangers dog that is running around wild, digging holes at the crag. that's bonifide way to up your net value. also stop glueing quaters to ground & laughing at people that try to pick them up.
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#18945 - 03/30/06 04:10 PM
Re: Rapping off of Spectra Slings?
[Re: MurphysLaw]
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old hand
Registered: 04/16/02
Posts: 981
Loc: a wanna be kerhonkson-er
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Quote:
She's a perfectly good token chick climber girl, I'd bid at least $7.50 for onea those, assuming it was in reasonably good condition, relatively low wear, etc.
If she was 'vintage' she'd probably fetch closer to $10
Maybe that's my problem... I should have said "vintage" instead of "used." Or maybe I should just cut to the chase and say experienced 
But my divorce is finally finished and final today so I think my value should definately rise
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#18946 - 03/30/06 08:05 PM
Re: Rapping off of Spectra Slings?
[Re: nerdom]
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enthusiast
Registered: 01/02/03
Posts: 290
Loc: Middle of nowhere: South Salem...
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Quote:
My recollection is that Freedom of the Hills lists rapping through nylon slings as standard procedure. True, the melting point of Spectra is lower than tubular webbing, but if the rope remains stationary (i.e, you rap slowly and carefully), the risk is probably (I said PROBABLY) not too great. I have heard of people top-roping off this set-up (doing so ignorantly after someone else had rappelled), and cutting through. Of course, I'd never use such a sling again after pulling the rope through it! But really, we're generally talking about a situation that would only likely occur when bailing off a long alpine route, right?
Not necessarily.
IIRC, the "Texas Rope Trick" is used by some climbers to rappel off of hanger bolts - that ordinarly are very rappel-unfriendly - without leaving any gear. Perhaps they use nylon slings, but I personally know of a few that use spectra slings; not the Floss, but the standard spectra slings.
T
_________________________
Fortis est veritas
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