/ ascender sheath stripping
HSE/Lyon report on industrial kit?
Bob Mehew at BCA?
Do you know if that is online...the usual petzl Ikea instructions for use are unhelpful...TBH I dont know how Petzl get away with instructions with pictures only and plenty of ambiguity.
for the Croll 4.7-6.0Kn according to Lyons test for HSE on a low stretch.
Way back in 2001 Lyon did a big lot of testing etc which was for the HSE and published a nice book...........have it but not to had at the mo...
Basically different brands/types of ascenders on different thickness/brands of rope produce different results..............how longs a piece of string?????
From memory a big fall on a toothed ascender will strip the sheath.........where as using a grooved cam instead of toothed (like the Petzl rescuecender, will not strip the rope sheath as it is kinder.......
but then the function of the teeth is to get rid of mud and cut through ice/snow build-up.........and toothed cams always have a bigger rope size range......
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