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  1. Replies
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    Jig saw will let you put the blade in a drilled...

    Jig saw will let you put the blade in a drilled hole to start. http://images.lowes.com/general/c/C100070/08838102815800.jpg

    Dremel tools can sometimes drive Rotozip bits which are upcut spiral...
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    Hack saw, jig saw with metal blade.... or yes,...

    Hack saw, jig saw with metal blade.... or yes, better files...

    The other thing with files is they only cut in one direction so only push them over the material in that direction. Lift on the...
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    I'll add one more.... GOOD light... Lots of it......

    I'll add one more.... GOOD light... Lots of it... You'll notice most of the photos are outside, even if it doesn't seem bright out, its usually MUCH brighter outside.

    I'm guilty of being lazy...
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    You should be able to use the hex stock adaptors...

    You should be able to use the hex stock adaptors just like traditional tent/tarp line sliders... That would give adjustment as well as an attaching loop,

    Cool coin attachment... Could be...
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    BE VERY careful doing the car testing... You won'...

    BE VERY careful doing the car testing... You won' really know how muich force is there...

    When it breaks there's going to be ends and bits of metal whipping VERY FAST away from the break point....
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    Dutch, the 'new' one looks like hex stock......

    Dutch,

    the 'new' one looks like hex stock... Functions much like a regular tent/tarp line tensioner plate unless I miss my guess.

    In any case, as you say you could probably go to a permanently...
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    LOL Yeah cycling REALLY has weight weenies... ...

    LOL Yeah cycling REALLY has weight weenies...

    There is definitely a balance between light, functional and cost effective.
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    Not to mention that the midsection pounds always...

    Not to mention that the midsection pounds always seem easier to carry than ones in your pack.

    Nor that if you save a bit here and there, without penalty you can add a bit someplace else for more...
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    As I've said before... Being an inexpensive cast...

    As I've said before... Being an inexpensive cast part made in some cheap cost center the 150 weight rating is probably a CYA to allow for huge variations in quality. Cast parts can look ok but have...
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    with diamond abrasives....

    with diamond abrasives....
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    We figured the carabiner fig 9 was mostly too...

    We figured the carabiner fig 9 was mostly too heavy to be effective. You'd do better with a large fig 9 and a camp nanowire....

    But if you get to the later posts we come up with some hardware...
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    Yep 6061 is Aluminum alloy. And yes Stainless is...

    Yep 6061 is Aluminum alloy. And yes Stainless is a bear to work with. 303 is easier to work than 304 though.

    If we made the slider thicker we could probably do away with the stainless entirely......
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    Cool! Now we can convert the buckle crowd too! ...

    Cool! Now we can convert the buckle crowd too!

    Have you considered making the main plate from 6061-t6 and the slider from stainless? Could cut the weight even more. Maybe get it down to 12g for a...
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    So I played with the "lusk knot" some... It...

    So I played with the "lusk knot" some...

    It seems as far as I can tell to be a type bowline that has been rolled over when tying. That is if you over tighten the knot by pulling on the bitter end...
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    I have NO idea how you patent a knot and nor do I...

    I have NO idea how you patent a knot and nor do I have any concept of how you would enforce it nor collect revenue from it.

    The part though can be made of anything... The patent specifically...
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    Well folks here we have it... The inventor has...

    Well folks here we have it... The inventor has also patented his wife's invention :rolleyes: ... The lusk knot... Anyone here ever tied that knot before?:confused:

    I think I need to rush out to...
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    Clearly the strap loop doubles as the bottle...

    Clearly the strap loop doubles as the bottle opener... ;) Although it takes practice when there's a strap in it...
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    The only piece of hardware you'll ever need.... ...

    The only piece of hardware you'll ever need....

    :D
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    This was where the ring buckle with rope was...

    This was where the ring buckle with rope was first suggested... and tested...

    At least so far as I'm aware. :D
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    Sew loop works fine, its just a bit slower and...

    Sew loop works fine, its just a bit slower and less convenient than passing the end around and clipping it.
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    The Camp nano biners are pretty small and light...

    The Camp nano biners are pretty small and light for rated biners... They're the same size and about the same weight as the ones I use to carry my car keys on, and that Coghlan's and other "camping...
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    Some webbing is required to protect trees and...

    Some webbing is required to protect trees and distribute the load so the bark isn't damage and the tree's health compromised. That's what the C buckle we're talking about is intended for.

    I use...
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    I'd bet its a pretty close call... A knot uses a...

    I'd bet its a pretty close call... A knot uses a fair bit of webbing, a buckle uses next to none and is lighter than you'd think. These are made of aluminum and weigh about 10g or 0.3 oz... Thats...
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    Dutch, nice piece of work. The only thing that...

    Dutch, nice piece of work.

    The only thing that would make it better is rounded corners to reduce the stress concentrations. Other than that you've done a good job of putting the material where its...
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    Or you can do it like this......

    Or you can do it like this...
    http://www.hammockforums.net/gallery/files/7/7/1/buckle_original.jpg
    It should be easier to make and easier to insert the webbing and retain it...

    :D
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    You don't really need the friction to "hold it in...

    You don't really need the friction to "hold it in place"

    When its loaded it'll stay on its own, when its not it'll still be pretty close to where you put it.

    BTW you want the end piece opposite...
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    If you want to cut a buckle I'd opt for A) a...

    If you want to cut a buckle I'd opt for A) a hacksaw, B) a grinder (or dremel) with a fine cut off wheel, C) drilling holes and filing, this one would be my very last choice...

    Jazz'z idea is...
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    Not sure what the interlacing process would do...

    Not sure what the interlacing process would do other than make it harder to take down when you were done...

    Two hooks would only be a benefit if one wasn't strong enough or one would stay on the...
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    Not quite sure what you're suggesting. How would...

    Not quite sure what you're suggesting. How would you see it applied in this case?
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    The forces will be in tension on the open side....

    The forces will be in tension on the open side. So yes it'll want to pull apart... BUT I don't think it will. Consider that often a couple wraps of webbing will stay on the tree without ANY...
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    How bout this (See attached PDF) as a webbing...

    How bout this (See attached PDF) as a webbing "clip" that is more compact (approx 1.5" x 1.5" x 3/16", weighs less than 10 g). The closed loop is sewn onto the webbing with a loop. Then the hook end...
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    The rings need to be held tight for it to work...

    The rings need to be held tight for it to work properly... Otherwise you need to tie off like its the knot holding you....

    If you're gonna biner and tie then you might as well save weight and just...
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    OKey dokey then... I've already got the lines...

    OKey dokey then...

    I've already got the lines for a "mini" biner on paper... It'd be stronger than most minis, but not climbing rated...

    But will think about other webbing options... I have...
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    Glad its working for ya! I've been using mine...

    Glad its working for ya! I've been using mine for some time now with no failures or slippage.

    I tweaked the design of my hooks some and I'm going to try a small production run of them...

    ...
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    Wellllll... Aluminum strengths cover a WIDE range...

    Wellllll... Aluminum strengths cover a WIDE range from about 14,000 psi to 75, 000 psi...

    You decide if you can live with possibly 1/5 the strength... I wouldn't trust it at that level though...
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    I think it'd be fine with the hooks, but the only...

    I think it'd be fine with the hooks, but the only way to know for sure would be for someone to try it. The rope that works so well in the photos is 4mm and stiff like spyderline. But even my plain...
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    Just as an FYI Spyder line is NOT hollow (or...

    Just as an FYI Spyder line is NOT hollow (or single braid rope) Its spectra core with a polyester cover. This protects the spectra and makes knot holding much better as the cover is much less...
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    I'm reasonably sure that unless you made it...

    I'm reasonably sure that unless you made it exceptionally tight that its not going to be that hard to undo. The reason for the loose hang in the original pictures is that inside I only have options...
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    Its not really critical, since the holding power...

    Its not really critical, since the holding power comes from the pinching between the two hooks and that portion is drawn back into the centre of the hook by the tension on the line.

    But yes its...
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    Ideally the hooks are the same size and align...

    Ideally the hooks are the same size and align perfectly... reality is not so much, especially with my hand shaping.

    The offset actually REDUCES the locking friction on the lines. Further its not...
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    Yep. No tie off... The rope comes down from...

    Yep. No tie off...

    The rope comes down from the top of the picture (say your tree) goes under the first hook and the second hook makes a loop up and over the second hook and back between the two...
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    Here's a quick pic of some rough prototypes of...

    Here's a quick pic of some rough prototypes of the hooks in use.

    I haven't had a chance to do a proper hang in them just slapped them up and hopped in the hammock for a couple minutes. Total...
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    Getting back to the original theme of the...

    Getting back to the original theme of the thread... That is alternative locking means for suspension lines. I'm working on a variation on the descender rings that avoids having to thread it through...
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    Yup... Same thing, just lighter than carrying all...

    Yup... Same thing, just lighter than carrying all that webbing... I use just enough webbing to wrap the tree, and then use line.

    I had some requests to show "how" I did it... since in my earlier...
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    Play-by-play

    OK as demanded... here it is (sorry for the focus sometimes, I was rushing out the door with the girlfriend). Its basically the webbing ring buckle system, but with light rope for less weight.
    ...
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    I'll take some tonight... :)

    I'll take some tonight... :)
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    Here's what I'm using with line... Its not figure...

    Here's what I'm using with line... Its not figure 9 or derivative... its

    Rings... no slip with the backup half hitch on a bight and just a tail to pull to undo... Even with TWO people in the...
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    I tried this last night late, just before I went...

    I tried this last night late, just before I went to bed. First thing I found was you have to bind the rings together quite a bit, more than just a loop or larkshead. What I used was more like a...
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    OK maybe its a dumb question but has anyone tried...

    OK maybe its a dumb question but has anyone tried using the dual ring system like the webbing uses, but with the lines instead? If not I'll try tonight...
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    I've been looking more at the sailing catalog and...

    I've been looking more at the sailing catalog and I'm going to see if I can chase down one of these. They're light and should be sturdy and quick to use.

    As well as being a permanently attached...
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