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Dyneema Guyline Cord 4 Bear Bagging?

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PostedJul 26, 2006 at 3:30 pm

I’m wondering if anyone has used the AirCore Pro Dyneema Guyline Cord Kit rope for bear bagging.

It weighs 0.95 oz/50 ft vs about 1.3 oz/50 ft for the AirCore Pro “UrsaLite” Dyneema Cord.

Break Strength is similar 560 lbs vs 650 lbs for the UrsaLite.

Diameter: is 1.75 mm vs 2.2 mm for the UrsaLite.

Any guesses or experience on if the thinner cord may damage trees with bear bag loads of 5-12 lbs?

+Chris

PostedJul 26, 2006 at 6:14 pm

It has been done. And discussed in earlier forums.

The problem is that dyneema/spectra is so small that it cuts into the bark of limbs and jambs there, never to be recovered. This can happen with the larger Ursalite as well. IOW, your precious food bag can stay 15 feet up in the air, dangling from a limb too small to climb out on and too strong to break by jerking on the line. This problem seems to be most severe on the PCT where a limited number of limbs have been scored by numerous hikers with small line. The guyline cord also snags rather badly, IMHO.

One of the more reliable lines is MuleTape in 1/4 inch or 3/8 inch – whichever you can find by begging or scavenging from cable crews. It is used to pull optical cable. The flat tape is rediculously strong Kevlar or generic aramid, and being flat, does not cut into limbs. Standard RP1800, 3/8″, is rated at 1800 pounds. The 1/4″ is polyester instead of aramid and rates only to 400 pounds. 50 feet of 3/8″ Mule Tape weighs 3 ounces.

PostedJul 26, 2006 at 8:01 pm

Hmmm.. If the search engine was more useful I may have found the previous discussion.

… but anyways thanks for confirming that Vick, I think I’ll stick with my UrsaLite.

I do have several 100 feet of that 1/4 polyester left over from a fiber optic pull but I’ll have to keep my eyes open for the MuleTape.

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