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Bungee Cord Knot - Anybody know it?

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Bill

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Jun 20, 2008, 8:09:03 PM6/20/08
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Several years ago I found a knot book in a library where I use to live. It
had what the author called a bungee cord knot. It was used to shorten a
bungee cord that was too long. You could pull on it as hard as you wanted
and it wouldn't jam and would untie after use very easily. I tried it
several times and saw that it was quite a useful knot for this purpose. It
didn't use up too much of the length of the cord, it was easy and quick to
tie and easy to take out. Unfortunately I forgot how to tie it and I can
not get the book again. I do not remember the title or the author. It was
over 25 years ago.

Does anyone know about this knot?


Henry

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Jun 21, 2008, 10:52:03 PM6/21/08
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See if this site helps. Look at the Grapple Hitch.

http://www.skytopia.com/project/articles/knot/knots.html

If it does not help, you may want to look for a Bungee Jumping News Group.
Or a yahoo goup that may provide better and more information

Henry


Bill

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Jun 22, 2008, 7:52:26 PM6/22/08
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Thanks,

The Grapple Hitch looks like an interesting knot, but not what I had in
mind. The knot I saw was used in the middle of a bungee cord that has hooks
on both ends, but when you go to use it (to strap something on my
motorcycle), the bungee cord is too long and does not put enough pressure on
the object to hold it in place. This knot used up some of the middle of the
cord to shorten it. Other knots I have tried, after a very strong pull that
is needed to hold objects in place, will jam in bungee cord even when they
do not jam in rope. This knot I saw in a knot book did not jam in bungee
cord no matter how hard it was stretched.

This has nothing to do with bungee jumping.

I use bungee cords for holding minor things in place, like my gym bag on my
motorcycle. It's quick and easy. For holding more substantial items
(furnature in a trailer, a ping-pong table on the top of a car, etc.) bungee
cords will get you in trouble. For these type of applications, nothing
substitutes for good rope and good knots properly applied.

"Henry" <angelo-thisis...@athome.com> wrote in message
news:485dbe57$0$27942$4c36...@roadrunner.com...

Henry

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Jun 22, 2008, 9:25:54 PM6/22/08
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> This has nothing to do with bungee jumping.
>
I did not think that it did. Bungee Jumpers should know about bungee knots.
Just as I might ask a sailor about knots, but I have no interest in sailing.


One last knot. I tried it with one of my cheap 36 inch bungee cords and it
seems to work.

It is the lineman's knot, the web site below shows it as an apline butterfly
knot.

http://www.animatedknots.com/alpinebutterflyscouting/index.php?LogoImage=LogoGrog.jpg&Website=www.animatedknots.com

> I use bungee cords for holding minor things in place, like my gym bag on
> my motorcycle. It's quick and easy. For holding more substantial items
> (furnature in a trailer, a ping-pong table on the top of a car, etc.)
> bungee cords will get you in trouble. For these type of applications,
> nothing substitutes for good rope and good knots properly applied.
>

I use bungees to keep things in place in my auto and workshop. I agree with
you about where not to use bungees.

Hope this helps.
If not and you do find what you are looking for please come back and tell
the newgroup what you found.

Henry


MCC

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Jun 23, 2008, 3:20:55 AM6/23/08
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Would a sheepshank not serve the purpose?
http://en.wikipedia.org/wiki/Sheepshank
--
MCC

Bill

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Jun 23, 2008, 9:48:31 AM6/23/08
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A sheepshank would work if it needed a lot of length removed.

A sheepshank with marlingspike hitches (instead of half hitches for
security) at the end uses up too much cord. The knot that I had found only
used about 3 or 4 inches of cord.

I was hoping that someone might have the knot book I saw in their collection
and know about the knot I am talking about. It might have been a standard
knot that the author renamed. As time permits, I am going to experiment
with knots from ABoK that are indicated as "easy to untie". One that might
work is an artillary loop. The knot that I saw as the bungee cord knot was
not a loop knot though.

Bill


"MCC" <mcc1...@gmx.com> wrote in message
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Stephen Mason

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Jun 23, 2008, 2:30:22 PM6/23/08
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On Fri, 20 Jun 2008 20:09:03 -0400, "Bill" <wrma...@bellsouth.net>
wrote:

A knot that has come to be known as useful in bungy cord, is the old
fisherman's perfection loop.

(Apparantly rediscovered as useful for the elastic nature of bungy
cord by Geoffry Budworth).

Although it's for putting a loop in the end of cord, it might be worth
a try tied in the centre of your bungy, You'd have to guess they
length of loop to achieve the shortening you require, I guess. A
couple of links to sites below

Best wishes

Steve

http://www.killroys.com/knots/perfecti.htm

http://www.animatedknots.com/perfection/index.php

Henry

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Jun 23, 2008, 9:36:05 PM6/23/08
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On Jun 22, 7:52 pm, "Bill" <wrmar...@bellsouth.net> wrote:
> Thanks,
>


> This has nothing to do with bungee jumping.

I did not think that it did. Bungee Jumpers should know about bungee
knots.
Just as I might ask a sailor about knots, but I have no interest in
sailing.

One last knot. I tried it with one of my cheap 36 inch bungee cords
and it
seems to work.


It is the lineman's knot, the web site below shows it as an apline
butterfly
knot.


http://www.animatedknots.com/alpinebutterflyscouting/index.php?LogoIm...

> I use bungee cords for holding minor things in place, like my gym bag on
> my motorcycle. It's quick and easy. For holding more substantial items
> (furnature in a trailer, a ping-pong table on the top of a car, etc.)
> bungee cords will get you in trouble. For these type of applications,
> nothing substitutes for good rope and good knots properly applied.

Bill

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Jul 11, 2008, 10:29:53 AM7/11/08
to
Steve,

Thanks for the reply. That is an interesting and easy knot to tie that I
have not used before. I have a couple of applications where I could use it
in recreational tree climbing. I am not a fisherman.

I have used loop knots like the alpine butterfly and this perfection loop
before, but since they are a loop knot, they still sometimes take up too
much length of bungee. This knot that I had found was more like a stopper
knot that would not jam under load. Since bungee stretches and decreases
its diameter as load is applied, knots that do not usually jam in rope will
tighten and jam in a bungee. This jamming tendency is extreme in bungee,
but is also happens in ski ropes too.

Thanks again,
Bill

"Stephen Mason" <sma...@freeuk.com> wrote in message
news:08qv54t7gqlvvvacq...@4ax.com...

roo

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Jul 11, 2008, 6:41:12 PM7/11/08
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On Jul 11, 7:29 am, "Bill" <wrmar...@bellsouth.net> wrote:
> Steve,
>
> Thanks for the reply.  That is an interesting and easy knot to tie that I
> have not used before.  I have a couple of applications where I could use it
> in recreational tree climbing.  I am not a fisherman.
>
> I have used loop knots like the alpine butterfly and this perfection loop
> before, but since they are a loop knot, they still sometimes take up too
> much length of bungee.  This knot that I had found was more like a stopper
> knot that would not jam under load.  Since bungee stretches and decreases
> its diameter as load is applied, knots that do not usually jam in rope will
> tighten and jam in a bungee.  This jamming tendency is extreme in bungee,
> but is also happens in ski ropes too.
>

I haven't tried it in bungee lately to see how easy it is to untie,
but was the knot you have in mind a Stevedore Knot?

roo

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Jul 11, 2008, 7:10:29 PM7/11/08
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P.S. I just found a piece of small slick bungee laying around. It
appears that the more twists you employ with the Stevedore Knot, the
easier it is to untie after strain.

Cheers,
roo

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