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Miscellaneous Mechanical Ascenders

These ascenders don't fit into the other categories. The Tibloc and Hand are unique. The Unicender is simply bizarre looking - but it works.

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ID Device Description Acquired Weight Height Width Thickness Std. volume
Arborist Cinch 2039 Arborist Cinch Cast Al, spring loaded steel cam /w lever, steel anvil Robert Brock, 2016 587 134 150 51 1029
Bat Climber 173 Bat Climber Flat Al side plates, double cam. One bolt & one pin pivot. Dr. Gary D. Storrick, 2004 239 52 156 42 338
Condor 2354 Condor Stamped Al grips, pivoting channel and cam /w guide pin, spring-loaded safety Noco Gear, 2018 255 197 104 26 527
GET International Lineboss 2284 GET International Lineboss Milled AL body, spring-loaded lever /w control-arm actuating cam, 2 bollards. Bob Thrun Collection, 2017 494 122 89 63 678
Offset Ascending Rack 1261 Offset Ascending Rack Complex handmade device, main Al bar with 3 subsidiary pivoting Al levers, each with split roller and SS guide bar, bicycle chain link auxiliaries. Gordon Svedberg, 2010 416 142 119 45 752
Petzl Tiblock B01 131
132
2073
Petzl Tiblock B01 Forged U-shaped channel with internal teeth, angled slot for carabiner.
  • On Rope 1, 1999
  • Inner Mountain Outfitters, 1999
  • Bob Thrun Collection, 2017
39 52 36 18 34
Petzl Zigzag 1983 Petzl Zigzag Stamped Al side plates. Al pulley, pivoting/rotating eye, "sprocket chain" grip OmniProGear, 2014 317 115 87 29 291
Singing Tree Rope Runner 2296 Singing Tree Rope Runner Milled Al body & stamped Al bird, teather and lever, all bolted together with some springs & rollers; separate tender /w pulley. Bob Thrun Collection, 2017 356 159 75 45 535
Stubai Karabiner K Climbing Irons 243 Stubai Karabiner K Climbing Irons Welded 7.1 mm. rods, 2 V notches, 2 hooks, oval eye Anthony Burdett, 2008 155 161 53 28 240
Unicender, Version A 186 Unicender, Version A Milled Al, 5 plates & 1 angle connected "sprocket chain" style Morgan Thompson, 2005 354 142 76 64 689
Unicender, Version A 2280 Unicender, Version B Milled Al, 5 plates & 1 angle connected "sprocket chain" style, goo Bob Thrun Collection, 2017 356 141 76 64 684
Unicender, Version B 1534
2281
Unicender, Version C Milled Al, 5 plates & 1 angle connected "sprocket chain" style, phosphor bronze wear bars
  • Morgan Thompson, 2010
  • Bob Thrun Collection, 2017
361 144 76 64 692
Unicender, Version C 1522 Unicender, Version D Milled Al, 5 plates (4 skeletonized) & 1 angle connected "sprocket chain" style WesSpur Tree Equipment, 2010 306 144 76 50 552
Unicender, Version D 1546
2282
Unicender, Version E Milled Al, soft anodized, 5 plates (4 skeletonized) & 1 angle connected "sprocket chain" style
  • Hanny Piltz, 2011
  • Bob Thrun Collection, 2017
310 155 76 51 596
Wild Country Hand 106
2295
Wild Country Hand Two forged side plates bolted together, internal ribbed V-groove for rope, no moving parts.
  • Exkursion, 1994
  • Bob Thrun Collection, 2017
106 111 46 30 153