rope glazing from a porta wrap??

[carlos]

is this possible?? had the rigging rope running through pulleys but it ended up glazed either when doing some normal rigging or when we tagged bits sideways with the tracked chipper whilst lowering them on the portawrap, so is this normal and what was i doing wrong, too bigger bits??? not had any glazing much before.

thanks carl

Edited July 27, 2015 by carlos

[combined tree services]

To be fair there are a multitude of possible causes , what was the approximate maximum weight of lowered sections ? What was the diameter of the lowering rope and which porta wrap ?

[carlos]

rope was 13/14mm and not sure of the make of portawrap, has got about 3 or 4 inch tube on it if that makes sense. weight of bits.. erm never been that up on weights the heaviest was a large pine limb with a end diameter of about a foot, not crazy big, but pretty heavy.

thanks carl

[combined tree services]

You may want to consider whether the system was appropriate for the demands of the job , just out of interest what would you say the S.W.L is for a small ISC port wrap is ?

[carlos]

just googled the portawrap and its rated for 1000kg , so fairly sure we didnt exeed that.

would a larger diameter rope reduce the chances of glaze from the portawrap???

thanks carl

[combined tree services]

Exceeding 1000 kg is easier that you think , which porta wrap is it that your using ?

[carlos]

this one.

http://www.grube.de/port-a-wrap-abseil-brake-71-817.html

[David Dobedoe]

I have seen glazing on the rope when using the Stien Rc 2000. Groundy was not wrapping it the right way, large wood falling was creating slack as expected and glazing the result

[justo7]

Forgive me if I'm being predantic? but have you done a cs41? You can gain a good basic understanding of various rigging techniques and the different weights, forces, factors, fit for purpose equipment to use for every rigging operation. Sorry again if I've made an assumption

[Joe Newton]

Forgive me if I'm being predantic? but have you done a cs41? You can gain a good basic understanding of various rigging techniques and the different weights, forces, factors, fit for purpose equipment to use for every rigging operation. Sorry again if I've made an assumption

 

 

You don't need Cs41 to be competent at rigging, in the same way that having cs39 doesn't make you a decent climber.

 

I got sent on my 41 a while back as a formality. I learnt virtually nothing I hadn't already figured out with experience or common sense.