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Darrell Tomer made a number of variations of the original Gossett Box design, and sent them to me along with some other experimental devices of his. The first Gossett modification was device #10 This is simply a Gossett Box sawn in half to provide one roller per side. It would have to be bolted to a plate to be used.
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Device #11 is a double-roller designed for racing using the Gossett System and steel cables for the ascender slings. Darrell decided to try this after breaking his foot slings on year during the races at the NSS Convention.
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Device #12 was made by milling away all the nonessential metal in a normal Gossett Box. The result was a considerable 55% weight savings: 166 grams versus 367 grams. This box became my normal chest box for nearly a decade, and I never missed having the second roller. (Of course, my system is set up so that if a roller blows, nothing bad happens).
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Device 13 is a cut-down Gossett Box with a single channel and only one roller. It has to be bolted to a plate to be used.
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Device 14 is my own design, which Darrell made for me. It is a single-channel box made for a ropewalkig system. The upper roller was replaced by a cam, with the idea that with a sling to the seat harness, one could just sit down and rest. The seat sling has to be adjustable to permit this, this proved to be a hassle in the field, and I eventually gave up on the idea of integrating a cam into the box.
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Device 15 is another design of my own. It replaces the knobs used in #14 with quick-release pins. This version is easier to use than #14, but does not address the real problem: integrating a cam into the chest box just didn't work.
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©2008, Gary D. Storrick