Author Topic: A fixed loop for springy polypropylene rope  (Read 17192 times)

X1

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Re: A fixed loop for springy polypropylene rope
« Reply #30 on: November 28, 2012, 07:43:46 PM »
  Sometimes I write ( inadvertently) "figure" 8 instead of "shape" 8, and vice versa... I believe I do this because, regarding bends made from symmetric interlocked knots, the general behaviour of the 8-shaped overhand-knot-based bends depends more on their geometry, than on their topology - and their geometry is similar to that of a fig 8 knot.

http://igkt.net/sm/index.php?topic=3148.msg18869#msg18869
http://igkt.net/sm/index.php?topic=3148.msg19946#msg19946
http://igkt.net/sm/index.php?topic=3148.msg19948#msg19948

Mike

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Re: A fixed loop for springy polypropylene rope
« Reply #31 on: November 29, 2012, 12:30:14 AM »
This loop must be fairly quick and easy to tie and - here's the unusual bit - I want it to be as difficult to undo as possible.

   The most difficult to undo knot I had ever come across , is the "Oyster" bend ( M. B 5 ). When tightened, it becomes a rigid sphere, that is awfully difficult to untie ! Try it as a loop knot, it might suit to your purpose. ( See the attached pictures ).

I just tied a loop knot with the oyster bend.    I like it.    Very secure and good looking too.   This might even make a good lanyard knot.