Rope drag
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In rock climbing, rope drag is the friction felt when pulling a rope through a number of pieces of protection. It is exacerbated by having great numbers of anchor placements, and especially if they form a zig zag rather than straight line.
[edit] External links
- http://www.csse.monash.edu.au/~aland/TRAVEL/arapilesApr03.html
- http://www.spadout.com/wiki/index.php/Rope_Drag
- http://www.chockstone.org/TechTips/TwoRopes.htm