surveyor
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Everything posted by surveyor
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No race, just experiments. I do like the idea of no loose pieces, and that is what I am trying to perfect.
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I find that a shorter wrench works fine and engages faster. Here is my rough prototype in the works.
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They work fine for descent, notice the roller is below on these "Dogbones", The hitch tends to slide around the round end and push the swivel pin aside on ascent, so I have another model in the works.
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I like to experiment. and it seemed a waste to not use it : ) Actually I already had holes drilled there from when I was experimenting with a midline RW. The sheave is even friendlier to the rope, and helps it maintain its roundness
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Yes, I took the barrel pin replaced by the sheave bushing and made a second tether point out of it.
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I had a machinist make me a dozen bushings for the Singing Tree Rope Wrench, that will work with the 5/16" quick release pin. As of this date I have 8 left. My cost was $20 each sheave bushing, which is what I am willing to sell them for plus shipping, upon payment. First come first served, just send a message if you are wanting one reserved. Here is a picture of my RW with sheave bushing installed.
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It is similar to the Unicender, but it has all steel friction and holds the rope very securely once installed. It also releases differently. On a single line, when you pull the bottom arm down, with or without the hitch, the top two arms act as a friction assist on descent. It combines the features of a Uni with a RW and clamps on line immediatly when weighted.
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Hello all, first post. I have been building a climbing device I call the Bulldog OAR (Offset Ascending Rack) It can be used on a single line or a doubled line. I have a demonstration video. [ame=http://www.youtube.com/watch?v=jS6_SPSRwsw&list=UUe35ZonSxLo-3toKsoTPqMQ&index=1&feature=plcp]Bulldog OAR ascender/descender - YouTube[/ame] An arborist has suggested that it can be configured with a hitch below also, which makes it tend slack nicely when the rope is pulled up through the hitch climber pull as shown in this picture.
