Compact Bulldog Bone

Z'sTrees said:
Been bonin for most of this week, and I think I'm finally getting it really dialed in. Love the ease of adjustment, quick on/off with no parts to drop, and the compactness (about 2/3 length of wrench or runner). It's gonna be tough to get away from the rope runner, which I use for everything but crane work and rain days, but I am really impressed with the bone as it addresses some of the runners short comings. Nice work Gordon!

On a side note, anyone run KM Max with a bone or runner? Thinking about another line, I've been running yale 11.7 and it's great on everything but I'd like to try something different. I'm leery of anything with a nylon core being too stretchy/ bouncy although I've never climbed on a kernmantle type rope.
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Km III Max is awesome with the Wrench.

Yale Scandere?


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Z'sTrees said:
Scandere is on the list too but I've heard it's a bit stretchy for a 'static'. Have you used the kmiii max on any mechanical devices?
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It runs great in the Akimbo. I never bothered trying to dial my runner in for it because it's set to the Yale 11.7's and the wrench with 9.3 EpiCord is so sweet on the Max. It has some bounce to it but it's so light and smooth.


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I've been running km3 max for a couple years now. On the runners new its up a hair, but wide open once the rope wears off its gloss.
 
Yeah, and you'll see them both advertised as either KM-III MAX or KM MAX but they're the same rope. The "KM Max" seems to just be a shorter name for it they use in the product descriptions and website listings.

I think if anything happens to me or @Worthaug poor New England Ropes might go bankrupt.
 
Climb safe with those kids. The little guy reminds me of my oldest son when he was that age. My two younger boys used to use the OAR device to hoist themselves on a doubled rope from a tall pine branch, then swing around the stem, back and forth, and descend back down again when their turn was up. fun times.
 
Hi all, I was looking to buy a CBDB and managed to borrow one to try. It's an old model and been through a couple of hands!

Ive only tried it in the garage so far. I tried it on 2 different 11mm ropes, both were very smooth but started to creep after a couple of decents so obviously the bollard isn't right for these ropes. I tried it on my cougar orange, not quite smooth but pretty good, no creep and decends fair well. Although; I could hear it running through the device it sounded.. painful. The rope flattened out heaps more than with my wrench (I haven't used other SRT mechanicals). Also I noticed a bunch of fluff off of my rope on the BDB. Is this all normal? I believe the bollard is the medium size, although I didn't receive any others to try. Looking forward to a real climb
 

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Freddie Fisher said:
Hi all, I was looking to buy a CBDB and managed to borrow one to try. It's an old model and been through a couple of hands!

Ive only tried it in the garage so far. I tried it on 2 different 11mm ropes, both were very smooth but started to creep after a couple of decents so obviously the bollard isn't right for these ropes. I tried it on my cougar orange, not quite smooth but pretty good, no creep and decends fair well. Although; I could hear it running through the device it sounded.. painful. The rope flattened out heaps more than with my wrench (I haven't used other SRT mechanicals). Also I noticed a bunch of fluff off of my rope on the BDB. Is this all normal? I believe the bollard is the medium size, although I didn't receive any others to try. Looking forward to a real climb
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Freddie,

It's normal to see a little "fluff" (tiny 1-2mm bits of rope fiber) on the BDB after descent, especially long descents. This is something that typically happens to 24 strand ropes after they've been run through either a rope wrench, BDB, or any device that puts a bend or kink in the rope. I have not seen this happen with kernmaster, HTP, or similar cordage, however. Don't be alarmed by the fluff. It's normal with ropes that have some mileage on them - newer ropes that haven't started getting that "aged" look (kinda fuzzy looking, I guess you'd call it) yet.
 
wyatt spruck said:
Freddie,

It's normal to see a little "fluff" (tiny 1-2mm bits of rope fiber) on the BDB after descent, especially long descents. This is something that typically happens to 24 strand ropes after they've been run through either a rope wrench, BDB, or any device that puts a bend or kink in the rope. I have not seen this happen with kernmaster, HTP, or similar cordage, however. Don't be alarmed by the fluff. It's normal with ropes that have some mileage on them - newer ropes that haven't started getting that "aged" look (kinda fuzzy looking, I guess you'd call it) yet.
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Thanks. I was a bit alarmed by the fluff. This was after a few short descents hanging from my garage ceiling, so no exactly 'long' . This section of rope was quite beaten up from DRT so probably doesn't help. I'll try the tail end and also my blue tounge for a comparison. I was surprised to be able to hear it running through so clearly, hard to explain but almost sounds like a tearing sound. I'll check there's no sharp edges. Other than the above my initial impression was great. A solid feeling device and the operation was intuitive.

Edit: also, should the bollard spin freely on descent? I noticed it was sporadic in rotation but again I haven't tested thoroughly.
 
No Bulldog Bone here, but the Akimbo and ZigZag both make noise on descent. But, so does a hitchclimber setup. With the metal-on-rope of a multicender, the sound is just different. Kinda bugged me at first, too. Fast descents, it sounds like a sound effect for a Wiley Coyote cartoon, or something... wwwwhhhhiiiiiiiiizzzzzzzzzzz.... but, hopefully no big SMACK! sound at the end, which is inevitably what happens in the cartoons.
 
Freddie Fisher said:
Thanks. I was a bit alarmed by the fluff. This was after a few short descents hanging from my garage ceiling, so no exactly 'long' . This section of rope was quite beaten up from DRT so probably doesn't help. I'll try the tail end and also my blue tounge for a comparison. I was surprised to be able to hear it running through so clearly, hard to explain but almost sounds like a tearing sound. I'll check there's no sharp edges. Other than the above my initial impression was great. A solid feeling device and the operation was intuitive.

Edit: also, should the bollard spin freely on descent? I noticed it was sporadic in rotation but again I haven't tested thoroughly.
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I haven't paid attention to the bollard during descent so I cannot provide a yes or no regarding the spinning.
I would venture to say it is supposed to spin
@surveyor could answer this probs

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I would say that a frequently used standard Bone would have a bollard that turned. Freddies Bone may be a bit rusty inside the bollard.
 
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