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Topic Date User

Petzl Pro Traxion Good all round Pulley Choice? 16-Oct-2011 At 6:58:10 PM Lee C

Message

On 16/10/2011 jammin wrote:
>Yeah spot on M9, dynamic loading occurs when an object falls onto a static
>point.
>Whereas a static loading is where an object is hanging from a static or
>fixed point.
>Nothing to do with what rope you use just the way that you fall or rest
>on said ropes.

I agree with the theory here and it probably rings true for most situations in climbing...but having used both dynamic and static there is obviously a vast difference in how far you fall before you stop resulting lots more acceleration and subsequent force and sure this extra force is distributed over a longer period of time with the dynamic but it definitely seems to outweigh the force when using a static rope.

Additionally probably the biggest problem with toothed devices is that when they "fail' it is in fact the rope sheath that fails (first) and a static sheath is vastly better in that regard.