Compact Bulldog Bone

treegongfu said:
I trust the bone but I also inspect it frequently.

I see the rope fibre buildup on the bone.

I think slic pins would work with the chain links and shldn't make much difference in difficulty/speed of rope install.
I'd like to give it a try if I knew where to get them.
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You talking about adding slick pins to the bone yourself?
 
Yes I'd give it a try. However, I feel like slic pins could potentially be induced to release unintentionally and would probably less safe than the current configuration.
 
treegongfu said:
Yes I'd give it a try. However, I feel like slic pins could potentially be induced to release unintentionally and would probably less safe than the current configuration.
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Oh so is a slick pin the same thing as what's on a rope wrench? Apologies for my lack of knowledge. I had to do a google search. Doiiih
 
treegongfu said:
Yes I'd give it a try. However, I feel like slic pins could potentially be induced to release unintentionally and would probably less safe than the current configuration.
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You've got a point there. I think the fact that the current chain link pins are press fit on one side of the system creates a ton of rigidity compared to how a slick pin would act. I probably spoke too soon on that thought, but it's too late...now it's up for discussion. A slick pin would mean that the swinging side of the link would be more free to wobble around, but on the other hand, the slick pin could be double locking.

The more I think about it, the more I'm actually down with the current setup...down meaning, I'm good with it.
 
Yeah Eric, hard to say. I don't have a RR and never heard anyone express any concern about the slic pins but cldnt something pressing against them cause them to release?
 
Yes, but highly unlikely. Almost impossible but.....nothing is infallible. The RR is bigger but it is far from bulkyin my opinion. Some Slic pins can be had at Treestuff but other than that I am not sure. The manufacturer doesn't sell them in small quantities.
 
treegongfu said:
Yeah Eric, hard to say. I don't have a RR and never heard anyone express any concern about the slic pins but cldnt something pressing against them cause them to release?
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What Monkey said. I've can't really imagine what it would take to get a double locking slick pin to come out beyond your own control.

I'm thinking though, if the Bone had something that could work like a slick pin, then you wouldn't need a swinging side plate. The two plates could have squared holes and held together by a pin with squared ends, and then have round holes for the slick pin. When you pull out the slick pin, the rope would puke right out and you wouldn't need to fold it out.

Just musing again. The Bone is totally rad just like it is. You can pry one out of my cold dead hand, just as long as you leave my second Bone in my other cold dead hand. :p
 
My desire was to make a device that went on rope easily, with no parts to remove or take apart. Not only do the links capture the rope securely, but they are tough, in fact my OAR design has no locking swivel side plates at all, and one has been in use for a year and a half for doubled rope use only. I did a drop test with size 60 links (the Bone uses size 80) with an early OAR design, using a 200 lb weight, dropping about 8 ft before catching the load, and there was no damage to the OAR.
 
I think you did a great job Gordon. I just want folks to realize that anything can happen no matter how well it is designed or tested. Inspect, climb, descend, inspect. As long as you keep doing that your odds of safety are better but you still have to drve home. Driving a car has already been proven to be the most dangerous thing you can do on a daily bases.
 
broke the ole collar bone today skiing, any photos or vids to entertain me would be greatly appreciated. as if just following this thread isn't enough:)

Ps: Took the bdb in the ER with me to see if they could replace it with my collar bone. They said no:(
 
monkeylove said:
I just want folks to realize that anything can happen no matter how well it is designed or tested. Inspect, climb, descend, inspect. As long as you keep doing that your odds of safety are better but you still have to drve home. Driving a car has already been proven to be the most dangerous thing you can do on a daily bases.
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Monkeylove, I couldn't agree more. Heck meteors hit in Siberia without prediction... crazy ish happens. Ya gotta be careful within reason. Surveyor, I hope it doesn't seem like I'm calling your work inferior or anything because I'm not qualified to do so. I honestly think it's an awesome idea and build. But as little as I know, I needed to express my initial thoughts. I wanted to hear some thoughts from experienced climber and BDB users about it. You guys are such a help and it's great to be able to be apart of this board.
 
TylerHoffman said:
broke the ole collar bone today skiing, any photos or vids to entertain me would be greatly appreciated. as if just following this thread isn't enough:)
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Tyler, you sound like you have the same problem as I do. Most of your injuries don't actually come from tree climbing.
Collar bone huh? I heard that can be a painful injury. Pretty rough?
 
TreeLogic said:
Tyler, you sound like you have the same problem as I do. Most of your injuries don't actually come from tree climbing.
Collar bone huh? I heard that can be a painful injury. Pretty rough?
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Thats what I'm hearing! but i didn't fine it that terribly painful. The nurses were surprised i drove myself to the hospital. This is my first broken bone.
 
I used my bone today in a good size red oak and it was pretty easy learning curve, I was decending down and swinging at the same time quickly . I am using Tachyon and have the 2 extra bollards , just curious what size bollards are you guys using with Tachyon. I just felt it could be smoother at times and even kind felt really hard to go up with my Pantin after dropping down on a redirect. Tending slack is easy sometimes and kinda rough when weighted . Any advice would be great thanks
 
One of the beauties of the BDB is there are no loose parts to drop. Slic pins would ruin that concept and add cost, both in materials and labor.

Heal quickly Tyler. I slipped on ice getting out of my pick-up yesterday and went down hard. At 61, I got by cheap...lot's of soreness and a bit stiff, but nothing broken. I hope to climb tomorrow.
 
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