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New ISC micro pulley


Steve Bullman
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Hey Guys

 

Have any of you have come across the Edelrid pulley called 'Easy'? A few years back there was various levels of concern over the issue being discussed, i.e. whether or nor not the becket on the Petzl PO5 Fixe pulley was suitable as an attachement point for hitch cord. All sorts came out of the bag including someone saying that Petzl themselves had okayed this becket tie in as being good to go. The product itself was never stamped with this as a rated component although many folks still tied in there & I've not heard of any incidents with failure of this point, but that obviously doesn't mean it's all clear. Anyway, the 'Easy' has a steel pin across the lower portion of the pulley which was rated to 13kN many moons ago. We started to supply them as a fair alternative but they never seemed to take in the manner that the PO5 had. We maintain a stock but I guess the colour or shape doesn't fit everyones bill.

 

There is also the the small matter of the hitch climber which has taken out of the equation any need to be tying into the wrong part of the device, with the added bonus of all the other stuff that can be done with it.

 

I moved away from tying into the becket & opted for the double fisherman as a stopper threaded between the becket & the pulley. I think that this spreads the loading in that area between the becket & the pulley sheave & even with 8mm cord the stopper is plenty big enough to not come free. This completely removed any concern over bend ratios & keeps the configuration in cleaner alignment.

 

Pictures speak a thousand words & now I'm rambling. Have a good day out in the sun.

 

Cheers Nod

 

On a different note, if it's cool with Steve & the other site moderators I'd like to let you know of a blogsite that I've just started to keep folks informed about what's been happening treewise in my day to day excursions. Hopefully it will be an informative sidekick to our website which I can update myself with whatever guff I deem suitable.

 

Many thanks

Nod

treeworker.blogspot.com

Just delete if it's inappropriate Steve!!

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