Have you ever tried to tie something down for transporting, but just couldn't get the lines tight and/or during transport the lines would continually loosen? Then this is the knot for you! I learned this knot back in the 70s when specialty car racks and ratchet straps were rare or unheard of. I initially used it to tie a canoe on a car rack, both attaching to the rack as well as the lines to the bow and stern of the canoe. Even with all the new gizmos available today, this knot still shines because all you need is a rope and ropes don't hum in the wind like straps.
The unique aspect of this knot is that it gives you a 2-1 mechanical advantage when tightening the rope. Be careful though. You can actually damage some things because of the mechanical advantage. This knot holds fast and is easy to untie, hallmark traits of any good knot.
Below you see the finished knot system ... we'll break it apart in the steps that follow
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Signing UpStep 1: Initial setup
For attaching to the 1st anchor point I chose bowline ... a close #2 on my list :-). There are other instructables on that one so I won't bore you here.
The 2nd anchor really should be round because it serves as a pulley in this block and tackle type knot. I've used it on sharp anchor points and it doesn't work as well.







































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http://www.animatedknots.com/fig8directional/index.php
It doesn't look like the truckers hitch I use in the UK which is much simpler to do and undo
The Fisherman's knot is commonly referred to as a Constrictor Knot also.
Very nice visual presentation.
I currently have a very large Siberian Peapod bush girdled with this adjustable Trucker's Hitch. I used some high quality yacht line, the kind with the fuzzy outer shell. If it weren't for the girdle, the bush would have broken apart and fallen to the ground. As it is, the thing is nearing 16 feet and can be adjusted as needed.
A couple of things I've discovered from using this knot: First, it is sometimes useful to tie the half hitches loosely before you place tension on the rope. It can be difficult to tie the half hitch once the ropes are pressing hard against the item you are tying down. Second, in most situations you can maintain the tension while you finish the knot by simply squeezing the running end of the rope with two fingers at the point it passes through the standing loop. There is so much friction it is surprisingly easy.
Great instructable!
With the far end of your rope secured to one of the downward pointing rope hooks on the far side of your truck, pull your rope over your load and towards a near-side rope hook. Using your left thumb and forefinger, hold the rope at a point about 3 feet from the hook.
Now with your right hand, come down about a foot further down the rope and pull that spot on the rope up to your left thumb and forefinger so that you form a loop hanging off to the right of your left hand. Don't cross the rope over itself or twist it. Just bring it up.
Now go down a foot again, bring that point of the rope up, and wind it twice around the loop that you have hanging from your left hand. The wind should go over the top (or clockwise, as seen from the right), and the second wind should be TO THE LEFT of the first wind. This is where the holding power comes from. The pull down on the second wind sucks it in tight behind the first wind so that it can't pop out.
Depending on the thickness of your rope, this double wind will use up somewhere between an eighth and a half of that last foot of rope you grabbed. The rest of that foot of rope will be hanging down, forming another little loop, while the continuing part of the rope hangs down from your right hand.
From here, take the index finger or the ring finger of your right hand and push a loop of the continuing part of the rope towards yourself and to the left, through the loop that is left over from the winding action you just did. Then grab that loop that you just pushed through the loop and pull it down over your rope hook. If you now pull down on the free end of the rope it will pull up on this last loop, snugging it up onto the rope hook with the same two-times-mechanical-advantage as schneidp20's slip-knot-based truckers-hitch.
To finish either version of the truckers' hitch off, just pull down hard on the free end of the rope and secure it to your rope hook with a couple of half-hitches.
To undo, just undo the half-hitches and let out enough slack to take the last loop off of the rope hook. Then pull on the free end of the rope and the whole shebang comes out. That's the advantage of the wind-it-over-twice method. When you are done, you don't have to pull the free end of your rope back through the slip-knot-loop or undo any slip-knot.
Hmmm. I wasn't sure I'd be able to explain that without pictures, but I think those instructions ought to be followable. Anyone want to give it a try and let me know? As schneidp20 noted, it takes a bit of practice get a feel for where to start this kind of knot. The more give there is in your load and in your rope, the further you have to start from your destination rope-hook.
This knot doesn't LOOK that reliable, and indeed, from the front of the knot, it is actually pretty easy to push the inner winding over the outer winding so that the whole thing comes undone, even when there is substantial load on it. But if nobody is pushing on the front of the inner winding then there is no pressure there. All the pressure that the knot itself creates is at the BACK of the inner winding, where downward force is pulling the inner winding hard to the inside of the outer winding.
I have used this hitch thousands of times on some very heavy loads and have NEVER had it come undone. Very fast, very easy to learn, and very reliable in my long experience. Highly recommended.
The images below show the knot as I tie it. The first two pictures show the clove hitch holding a loop which forms the other loop that you tied in Step 2. As you can see it is not a slip knot nor Artillery loop - it is a clove hitch. The third image shows the system tied off with a slipped half hitch. Unfortunately you can't really see the loop from the left side very well. If you pull on the bitter end as this is, the slipped half hitch falls out to release the tension. Then system falls apart. If you had a lot of tension on it, the clove could be pretty tight but otherwise it will fall apart, too. The next to last image shows the slipped half hitch with another half hitch to keep the loop from vibrating out. The final picture shows the entire system. This picture shows how the loop is formed from the clove on the left to where the slipped half hitch secures it (ala your Step 2).
Well now that I've gone to all the trouble to take the pictures, I found the knot as we tied it at Wikipedia. Their picture on the left clearly shows the clove hitch holding the loop in place. It does not show the knot finished.
As I said earlier, this system of knots goes together very quickly once you see the twists and turns in action. The first time you watch someone with experience, it looks more like a magic trick than anything else. Certainly it takes less than 5 seconds. Seeing it already tied makes it look more complicated than it is.
ohhhh.....well, I guess i can see that on the ovrhnd-knt (maybe not on it pulling the BE through it given the precautions i lined out) but that clove-hitch method would prevent that (in much the same way a water bowline does).
I'll have to start getting to work on this version!
http://www.animatedknots.com/truckers/index.php?Categ=scouting&LogoImage=LogoGrog.jpg&Website=www.animatedknots.com
If the link doesn't work, check in he scouting section. His method of teaching visually is very effective for knots.
Cheers!
Why as this product works so well and now we can all do truckers Knots and better, yes BETTER..
Look at this link all you trucker knot fanatics and please send in comments ,but be sure to have one before you comment, as you should never knock it until you tried it ;)
Here is a link..
http://www.youtube.com/watch?v=Bn0RjnnjOr8
I was so impressed i am now the agent for Europe.
Steve Capon
Managing Director
Products UK Ltd
The Alpine Butterfly Knot is perfect for the loop in this hitch. It's extremely easy and quick to make on the hand (http://www.iwillknot.com/butterfly_knot/) and even after the heavy load or cinching, the Butterfly Knot remains reasonably easy to undo.
I used to just use the slip knot as the loop, but it seems that The Alpine Butterfly knot is much better.