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Miscellaneous Mechanical Ascenders

These ascenders don't fit into the other categories. The Camp Lift, Russian and Ural-Alp ascenders work on a common principle, but 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
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
Brasovia uAscend 1588 Brasovia uAscend Stamped Al side plates, milled Al pivoting cam, extruded anvil. Brasovia, 2012 125 87 73 28 176
Camp Lift 152
2111
Camp Lift Stamped Al side plates, extruded Al pivoting cam & anvil
  • K&R Adventure Gear, 2001
  • Bob Thrun Collection, 2017
95 74 78 25 143
GrandWall uAscend 1999
2274
GrandWall uAscend Stamped Al side plates, milled Al pivoting cam & extruded anvil.
  • Grand Wall Equipment, 2015
  • Bob Thrun Collection, 2017
121 73 87 27 174
GrandWall uAscend 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
Petzl Zigzag 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
Russian, Version A 104
2286
Russian, Version A Stamped Ti side plates, milled Al pivoting cam, knurled post.
  • John E. Weinel, Inc., 1990
  • Bob Thrun Collection, 2017
101 49 80 26 102
Russian, Version B 185 Russian, Version B Stamped Ti side plates, milled Al pivoting cam, knurled post, keeper hole. A. Short, 2005 103 49 81 28 108
Russian, Version C 200 Russian, Version C Triangular Al side plates, double-ended lever, screw-adjustable anvil Robert Allen Steed, 2006 191 98 100 24 230
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
Ural Alp Al Basic 10.03 191 Ural Alp Al Basic 10.03 Stamped Al side plates, milled pivoting cam, milled anvil Ural Sport, 2005 137 92 75 31 216
Ural Alp Basic 10.05 105
2071
Ural Alp Basic 10.05; Version A Stamped engine ruled Ti side plates, milled Ti pivoting cam, milled anvil.
  • John E. Weinel, Inc., 1994
  • Bob Thrun Collection, 2017
126 71 86 27 165
Ural Alp Basic 10.05 2276 Ural Alp Basic 10.05; Version B Stamped engine ruled Ti side plates, milled Ti pivoting cam, milled anvil. Bob Thrun Collection, 2017 125 71 86 27 165
Ural Alp Basic 10.05 2277 Ural Alp Basic 10.05; Version C Stamped engine ruled Ti side plates, milled Ti pivoting cam, milled anvil. Bob Thrun Collection, 2017 122 93 75 29 203
Ural Alp Basic K 10.05M 181 Ural Alp Basic K 10.05M Stamped engine ruled Ti side plates, milled Ti pivoting cam, milled anvil, wire gate. Ural Sport, 2004 137 111 68 27 202
Ural Alp Handled 120 Ural Alp Handled Stamped engine ruled Ti frame & side plate, milled Ti pivoting cam, milled anvil, toothed post /w V-groove, rubber handle. John E. Weinel, Inc., 1996 285 137 121 27 448
Ural Alp Steel Basic 20.01 190 Ural Alp Steel Basic 20.01 Stamped steel side plates, milled steel pivoting cam, milled steel anvil Ural Sport, 2005 308 93 75 32 225
Ural Alp Super Basic 10.07 192 Ural Alp Super Basic 10.07 Stamped engine ruled Ti side plates, milled Ti pivoting cam /w roller, milled anvil Ural Sport, 2005 147 94 75 28 198
Ural Alp Super Basic K 10.07M 182 Ural Alp Super Basic K 10.07M Stamped engine ruled Ti side plates, milled Ti pivoting cam /w roller, milled anvil, wire gate Ural Sport, 2004 156 110 67 28 203
USHBA Basic 10.03 232
2275
USHBA Basic 10.03 Stamped Al side plates, milled pivoting cam, milled anvil
  • Mountainland Outdoor, 2007
  • Bob Thrun Collection, 2017
141 93 75 33 231
USHBA Handled 144
2273
USHBA Handled Stamped engine ruled Ti frame & side plate, milled Ti pivoting cam, milled anvil /w toothed end & V-groove, rubber handle.
  • USHBA, 1999
  • Bob Thrun Collection, 2017
268 151 121 33 603
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