Type 1 Lever Cam Ascenders

In elementary school science we all learned that a type 1 lever has the fulcrum between the load and the applied force, so it made sense for me to define a Type 1 Lever Cam Ascender as one where the pivot was between the sling and the rope.

ID Device Description Acquired Weight Height Width Thickness Std. volume

59 Bogibbs LH, Hungarian, stamped SS U-frame, forged SS cam mounted on SS axle bolt, one side cut open for rope clearance Bill Franz, 1992 172 96 53 26 132

60 Brew BJ Ropewalker Stamped SS U-frame, cast Al cam, Pin axle, spring-wire retainer Al Fincham, ca. 1980 192 102 60 43 263

153 CMI Ropewalker, Aluminum Stamped Al U-frame /w mud slots, cast hard-anodized Al cam, QR axle, cable cam/axle keeper K&R Adventure Gear, 2001 196 105 91 58 553

154 CMI Ropewalker, Stainless Stamped SS U-frame /w mud slots, cast hard-anodized Al cam, QR axle, cable cam/axle keeper K&R Adventure Gear, 2001 321 105 91 58 553

91 Ellested Stamped U-shell, milled cam /w ablate, drilled hex-head bolt /w hitch pin clip or alternate QR pin axle, noncommercial, reportedly only 4 made by Eric Ellested. Mike Moser, 1993 157 77 55 40 169

82 G.O.S.H. Cam, Version A RH, Open-sided milled Al frame, swinging SS side plate, milled Al cam, bolt axle, captured spring-loaded pin closure R. C. Schroeder, 1992 169 51 79 52 210

83 G.O.S.H. Cam, Version B RH, Open-sided milled Al frame, swinging SS side plate, milled Al cam, bolt axle, captured QR pin closure R. C. Schroeder, 1992 171 50 79 52 205

84,
175 G.O.S.H. Cam, Version C LH, Open-sided milled Al frame, swinging SS side plate, milled Al cam /w wear pin, bolt axle, captured spring-loaded pin closure
Bill Storage, 1993;

William Shrewsbury, 2004
196 50 87 61 265

162 G.O.S.H. Cam, Version D RH, Open-sided milled Al frame, swinging Al side plate, milled Al cam /w wear pin, machined axle, sealed spring-loaded pin closure R. C. Schroeder, 2002 121 35 85 35 105

163 G.O.S.H. Cam, Version E RH, Open-sided milled Al frame, swinging Al side plate, milled Al cam /w wear pin, machined axle, sealed spring-loaded pin closure, milled pivoting attachment fitting R. C. Schroeder, 2002 151 37 80 36 106

112 Gibbs Prototype Stamped 5/8" Al U-frame, wear roll-pins, wire spring loaded, spring cover, hard-coated cast Al cam, QR pin axle on web keeper John E. Weinel, Inc., 1993 244 104 76 63 498

205 Gibbs #1 Stamped Al U-frame, hard-coated cast Al cam, QR pin axle on web keeper Inner Mountain Outfitters, 2006 193 103 77 63 501

72 Gibbs #2, Version A Stamped 5/8" Al U-frame /w dimples, wire spring loaded, spring cover, hard-coated cast Al cam, QR pin axle on web keeper Karst Sports, 1995 239 104 76 63 498

206 Gibbs #2, Version B Stamped 5/8" Al U-frame /w dimples, wire spring loaded, spring cover, hard-coated cast Al cam, QR pin axle on web keeper Inner Mountain Outfitters, 2006 197 104 76 63 498

141 Gibbs #2SS Stamped 5/8" SS U-frame /w dimples, wire spring loaded /w cotter pin, spring cover, hard-coated Al goo cam, QR pin axle on web keeper On Rope 1, 1999 342 103 76 63 493

73 Gibbs 3/4" QR Stamped 3/4" Al U-frame, cast Al cam, QR pin axle on cable keeper John E. Weinel, Inc. 407 105 84 76 670

74 Gibbs 3/4" QR, Coil Spring Stamped 3/4" Al U-frame, coil spring loaded /w chain keepers, cast Al cam, QR pin axle on cable keeper John E. Weinel, Inc. 400 105 87 76 694

69 Gibbs 3/4" QR, Wire Spring Stamped 3/4" Al U-frame, wire spring loaded, cast Al cam, QR pin axle on cable keeper Bob & Bob, 1989 383 105 87 76 694

142 Gibbs #4 Stamped 3/4" Al dimpled U-frame, wire spring loaded, forged goo-coated Al cam, QR pin axle on web keeper John E. Weinel, Inc., 1999 325 104 92 68 651

76 Gibbs 3/4" QR, Stainless Steel Stamped 3/4" SS U-frame, cast Al cam, QR pin axle on cable keeper John E. Weinel, Inc., 1989 500 105 81 76 646

143 Gibbs 4SS Stamped 3/4" SS dimpled U-frame, wire spring loaded, forged goo-coated Al cam, QR pin axle on web keeper John E. Weinel, Inc., 1999 438 105 91 64 612

67 Gibbs QR Spring Loaded, Version A Stamped Al U-frame, 2-coil spring loaded, cast Al cam, QR pin axle on chain keeper 1970s 186 104 71 57 421

77 Gibbs QR Spring Loaded, Version B Stamped Al U-frame, coil spring loaded, cast Al cam, QR pin axle, chain keepers & pull ? 197 104 72 57 427

75 Gibbs QR Spring Loaded, Version C Stamped Al U-frame, wire spring loaded, hard-coated cast Al cam, QR pin axle on chain keeper ? 182 104 70 57 415

71 Gibbs QR Spring Loaded, Version D Stamped Al U-frame, wire spring loaded, spring cover, hard-coated cast Al cam, QR pin axle on cable keeper John E. Weinel, Inc., 1991 187 104 72 65 487

209 Gibbs QR. Version A Stamped Al U-frame, cast Al cam on cord keeper, QR pin axle on chain keepers Thomas Kopp, 2007 182 103 58 57 338

65 Gibbs QR, Version B Stamped Al U-frame, cast Al cam on web keeper, QR pin axle on chain keepers 1970s 182 104 58 57 344

66,
113 Gibbs QR, Version C Stamped Al U-frame, hard-coated cast Al cam, QR pin axle on cable keeper
?

Geary Schindel, 1992
178 104 60 57 356

79,
80,
81 Gibbs Quick 1/2 inch Two-piece milled Al frame on roll pin hinge, wire spring loaded, spring cover, hard-coated cast Al cam, QR pin axle on web keeper
John E. Weinel, Inc., 1991

Inner Mountain Outfitters, 1991

Speleofest Door Prize, 1992
268 93 87 57 461

128 Gibbs spring-wire, Version A Stamped Al U-frame, cast cam, pin axle /w nylon keeper and retainer. One of first 50 made. NSS Auction, 1998 148 103 64 36 237

61 Gibbs spring-wire, Version B Stamped Al U-frame, original cast cam, pin axle /w spring-wire keeper and retainer ? 152 103 64 36 237

62 Gibbs spring-wire, Version C Stamped Al U-frame, cast ribbed "racing" cam, pin axle /w spring-wire keeper and retainer John E. Weinel, Inc., 1989 155 104 59 37 227

63 Gibbs spring-wire, Version D Stamped Al U-frame, cast cam /w cord keeper, pin axle /w spring-wire keeper and retainer Gibbs Products Inc., 1973 182 104 59 36 221

68 Gibbs, Modified: Pivot Arm Parks Brothers modification: Al spring-loaded Gibbs with cam mounted on swinging pivot arm. Bob Elron, ca. 1985 192 104 67 57 397

64 Gibbs, Modified: Roller Cam Modified Al spring-wire Gibbs with rollers. Gibbs Products Inc. 198 104 63 36 236

78 Gibbs, Modified: Side Entry RH, modified SS Gibbs, cam mounted on custom axle bolt, one side cut open for rope clearance, back relieved for sling clearance, noncommercial Dr. Gary D. Storrick, 1983 286 102 60 37 226

111 Homemade, Version A Stamped Al shell, hand cut Al cam, bolt & nut axle, noncommercial ? 161 109 65 38 269

137 Homemade, Version B Folded steel U-frame, cut steel cam, bolt axle /w nut & cotter pin, noncommercial NSS Auction, 1999 409 103 58 39 233

235 Infernal Machine Folded Al U-frame, cut Al cam, bolt axle /w nut, swivel, noncommercial Dwight Deal, 2007 ~300 124 84 44 459

87 Kantyu LH, Hungarian, stamped Al U-frame, milled Al cam mounted on axle bolt, one side cut open for rope clearance International Congress of Speleology, 1980 106 88 52 30 137

57 Levistan, Version A Russian, milled Ti U-frame with swinging side on 21 tooth hinge, milled cam /w ring, captured QR pin axle/latch Speleoshoppe, 1994 145 56 45 29 73

174 Levistan, Version B Folded steel frame, milled steel cam, pin axle, extension arms William Shrewsbury, 2004 129 104 91 30 285

89 Lewis UK, stamped SS U-frame, cast? Al cam, pin axle, spring-wire retainer Al Fincham, 1981 195 104 570 40 2371

88 Lewis with Roller UK, Al side plates bolted to Al block back, 2 rollers, cast? Al cam, pin axle, spring-wire retainer Caving Supplies, 1982 259 118 75 41 363

90 LWO Homemade, folded AL frame, hand cut & bolted cam, pin axle, spring-wire retainer, noncommercial ? 270 101 68 47 323

159 Lucas Homemade, half pipe /w ears, hand cut cam /w rope bollards Phil Lucas, 2001 305 129 48 71 441

242 Paquette Homemade, folded AL frame, hand cut & bolted cam, pin axle, springwire retainer, noncommercial Dr. Gary D. Storrick, 2008 315 128 95 40 487

207 Polish copy of Gibbs Stamped Al U-frame, cast Al cam, pin axle with cross pin on cord keeper Andrzej Mistela, 2006 147 105 58 44 269

231 Reflex Stainless Steel, side opening, basal extensions on shell & cam, pivoting flat cam face Konstantin Serafimov, 2007 278 137 86 30 349

124 Rock Exotica Large Rescucender Milled Al frame, hard-coated milled Al cam on spring-wire keeper, pin axle /w ball and clip retention On Rope 1, 1997 334 115 90 53 549

92 Rock Exotica Microcender Milled Al frame, hard-coated milled Al cam on spring-wire keeper, pin axle with spring-loaded catch fitting milled frame slot & hole Inner Mountain Outfitters, 1990 136 72 57 45 185

93 Rock Exotica Rescucender, Version A Milled Al frame, hard-coated milled Al cam on spring-wire keeper, pin axle with spring-loaded catch fitting pin /w hole on frame Inner Mountain Outfitters, 1989 229 113 76 45 386

94 Rock Exotica Rescucender, Version B Milled Al frame, hard-coated milled Al cam on spring-wire keeper, pin axle with spring-loaded catch fitting milled frame slot & hole Inner Mountain Outfitters, 1992 234 113 75 45 381

204 Rock Exotica(?) Double Microcender Milled Al frame, two hard-coated milled Al cam on springwire keeper, sewn web sling, pin axle with spring-loaded catch fitting milled frame slot & hole WesSpur Tree Equipment, 2006 247 76 58 65 284

95 Roehr & Katon Stamped Al U-shell, hand-cut cam, pin axle, hitch pin clip retainer, noncommercial Gary Moss, 1979 137 100 58 31 180

103 Russian Cable Folded steel frame, milled steel cam, pin axle, spring-wire keeper Ed Sira, 1993 175 90 45 33 134

96 Russian Rope Milled Al frame, swinging side plate, milled Al cam on brass rivet John E. Weinel, Inc., 1994 97 46 72 28 93

228 Russian Speleo Club "Barrier" Folded steel frame, cut Al cam, axle in slot, noncommercial Marina Chugnova, 2007 ~100 81 87 33 230

85 Salewa Hiebler, Version A Open-sided forged Al frame, forged spring-loaded Al cam /w staked axle Darrel Tomer, 1984 109 46 107 30 148

86 Salewa Hiebler, Version B Open-sided forged Al frame, forged spring-loaded Al cam /w staked axle, wire safety catch on frame Eastern Mountain Sports, 1979 105 46 107 30 148

98 Storrick Thick Shell Folded SS frame, hardened tool steel milled cam, bolt axle /w hex & wing nuts, noncommercial Robert W. Storrick, 1971 333 90 55 42 208

97 Storrick Thin Shell Folded SS frame, hardened tool steel milled cam, bolt axle /w hex & wing nuts, noncommercial Robert W. Storrick, 1971 294 92 55 42 213

117 Ural-Alp RH, Russian, stamped Ti? U-frame, forged spring-loaded Ti cam mounted on SS axle bolt, one side cut open for rope clearance John E. Weinel, Inc., 1995 101 65 92 30 179

168 Ural-Alp Supplemental RH, Russian, stamped Ti? U-frame, forged spring-loaded Ti cam mounted on SS axle bolt, one side cut open for rope clearance Alvo-Titanium, 2003 85 70 87 31 185

149 Varnedoe Homemade, AL frame & side plate, cable puller cam, bolt axle, cable clip-in point Bill Varnedoe, 2000 545 112 79 57 503

ID	Device	Description	Acquired	Weight	Height	Width	Thickness	Std. volume
59	Bogibbs	LH, Hungarian, stamped SS U-frame, forged SS cam mounted on SS axle bolt, one side cut open for rope clearance	Bill Franz, 1992	172	96	53	26	132
60	Brew BJ Ropewalker	Stamped SS U-frame, cast Al cam, Pin axle, spring-wire retainer	Al Fincham, ca. 1980	192	102	60	43	263
153	CMI Ropewalker, Aluminum	Stamped Al U-frame /w mud slots, cast hard-anodized Al cam, QR axle, cable cam/axle keeper	K&R Adventure Gear, 2001	196	105	91	58	553
154	CMI Ropewalker, Stainless	Stamped SS U-frame /w mud slots, cast hard-anodized Al cam, QR axle, cable cam/axle keeper	K&R Adventure Gear, 2001	321	105	91	58	553
91	Ellested	Stamped U-shell, milled cam /w ablate, drilled hex-head bolt /w hitch pin clip or alternate QR pin axle, noncommercial, reportedly only 4 made by Eric Ellested.	Mike Moser, 1993	157	77	55	40	169
82	G.O.S.H. Cam, Version A	RH, Open-sided milled Al frame, swinging SS side plate, milled Al cam, bolt axle, captured spring-loaded pin closure	R. C. Schroeder, 1992	169	51	79	52	210
83	G.O.S.H. Cam, Version B	RH, Open-sided milled Al frame, swinging SS side plate, milled Al cam, bolt axle, captured QR pin closure	R. C. Schroeder, 1992	171	50	79	52	205
84, 175	G.O.S.H. Cam, Version C	LH, Open-sided milled Al frame, swinging SS side plate, milled Al cam /w wear pin, bolt axle, captured spring-loaded pin closure	Bill Storage, 1993; William Shrewsbury, 2004	196	50	87	61	265
162	G.O.S.H. Cam, Version D	RH, Open-sided milled Al frame, swinging Al side plate, milled Al cam /w wear pin, machined axle, sealed spring-loaded pin closure	R. C. Schroeder, 2002	121	35	85	35	105
163	G.O.S.H. Cam, Version E	RH, Open-sided milled Al frame, swinging Al side plate, milled Al cam /w wear pin, machined axle, sealed spring-loaded pin closure, milled pivoting attachment fitting	R. C. Schroeder, 2002	151	37	80	36	106
112	Gibbs Prototype	Stamped 5/8" Al U-frame, wear roll-pins, wire spring loaded, spring cover, hard-coated cast Al cam, QR pin axle on web keeper	John E. Weinel, Inc., 1993	244	104	76	63	498
205	Gibbs #1	Stamped Al U-frame, hard-coated cast Al cam, QR pin axle on web keeper	Inner Mountain Outfitters, 2006	193	103	77	63	501
72	Gibbs #2, Version A	Stamped 5/8" Al U-frame /w dimples, wire spring loaded, spring cover, hard-coated cast Al cam, QR pin axle on web keeper	Karst Sports, 1995	239	104	76	63	498
206	Gibbs #2, Version B	Stamped 5/8" Al U-frame /w dimples, wire spring loaded, spring cover, hard-coated cast Al cam, QR pin axle on web keeper	Inner Mountain Outfitters, 2006	197	104	76	63	498
141	Gibbs #2SS	Stamped 5/8" SS U-frame /w dimples, wire spring loaded /w cotter pin, spring cover, hard-coated Al goo cam, QR pin axle on web keeper	On Rope 1, 1999	342	103	76	63	493
73	Gibbs 3/4" QR	Stamped 3/4" Al U-frame, cast Al cam, QR pin axle on cable keeper	John E. Weinel, Inc.	407	105	84	76	670
74	Gibbs 3/4" QR, Coil Spring	Stamped 3/4" Al U-frame, coil spring loaded /w chain keepers, cast Al cam, QR pin axle on cable keeper	John E. Weinel, Inc.	400	105	87	76	694
69	Gibbs 3/4" QR, Wire Spring	Stamped 3/4" Al U-frame, wire spring loaded, cast Al cam, QR pin axle on cable keeper	Bob & Bob, 1989	383	105	87	76	694
142	Gibbs #4	Stamped 3/4" Al dimpled U-frame, wire spring loaded, forged goo-coated Al cam, QR pin axle on web keeper	John E. Weinel, Inc., 1999	325	104	92	68	651
76	Gibbs 3/4" QR, Stainless Steel	Stamped 3/4" SS U-frame, cast Al cam, QR pin axle on cable keeper	John E. Weinel, Inc., 1989	500	105	81	76	646
143	Gibbs 4SS	Stamped 3/4" SS dimpled U-frame, wire spring loaded, forged goo-coated Al cam, QR pin axle on web keeper	John E. Weinel, Inc., 1999	438	105	91	64	612
67	Gibbs QR Spring Loaded, Version A	Stamped Al U-frame, 2-coil spring loaded, cast Al cam, QR pin axle on chain keeper	1970s	186	104	71	57	421
77	Gibbs QR Spring Loaded, Version B	Stamped Al U-frame, coil spring loaded, cast Al cam, QR pin axle, chain keepers & pull	?	197	104	72	57	427
75	Gibbs QR Spring Loaded, Version C	Stamped Al U-frame, wire spring loaded, hard-coated cast Al cam, QR pin axle on chain keeper	?	182	104	70	57	415
71	Gibbs QR Spring Loaded, Version D	Stamped Al U-frame, wire spring loaded, spring cover, hard-coated cast Al cam, QR pin axle on cable keeper	John E. Weinel, Inc., 1991	187	104	72	65	487
209	Gibbs QR. Version A	Stamped Al U-frame, cast Al cam on cord keeper, QR pin axle on chain keepers	Thomas Kopp, 2007	182	103	58	57	338
65	Gibbs QR, Version B	Stamped Al U-frame, cast Al cam on web keeper, QR pin axle on chain keepers	1970s	182	104	58	57	344
66, 113	Gibbs QR, Version C	Stamped Al U-frame, hard-coated cast Al cam, QR pin axle on cable keeper	? Geary Schindel, 1992	178	104	60	57	356
79, 80, 81	Gibbs Quick 1/2 inch	Two-piece milled Al frame on roll pin hinge, wire spring loaded, spring cover, hard-coated cast Al cam, QR pin axle on web keeper	John E. Weinel, Inc., 1991 Inner Mountain Outfitters, 1991 Speleofest Door Prize, 1992	268	93	87	57	461
128	Gibbs spring-wire, Version A	Stamped Al U-frame, cast cam, pin axle /w nylon keeper and retainer. One of first 50 made.	NSS Auction, 1998	148	103	64	36	237
61	Gibbs spring-wire, Version B	Stamped Al U-frame, original cast cam, pin axle /w spring-wire keeper and retainer	?	152	103	64	36	237
62	Gibbs spring-wire, Version C	Stamped Al U-frame, cast ribbed "racing" cam, pin axle /w spring-wire keeper and retainer	John E. Weinel, Inc., 1989	155	104	59	37	227
63	Gibbs spring-wire, Version D	Stamped Al U-frame, cast cam /w cord keeper, pin axle /w spring-wire keeper and retainer	Gibbs Products Inc., 1973	182	104	59	36	221
68	Gibbs, Modified: Pivot Arm	Parks Brothers modification: Al spring-loaded Gibbs with cam mounted on swinging pivot arm.	Bob Elron, ca. 1985	192	104	67	57	397
64	Gibbs, Modified: Roller Cam	Modified Al spring-wire Gibbs with rollers.	Gibbs Products Inc.	198	104	63	36	236
78	Gibbs, Modified: Side Entry	RH, modified SS Gibbs, cam mounted on custom axle bolt, one side cut open for rope clearance, back relieved for sling clearance, noncommercial	Dr. Gary D. Storrick, 1983	286	102	60	37	226
111	Homemade, Version A	Stamped Al shell, hand cut Al cam, bolt & nut axle, noncommercial	?	161	109	65	38	269
137	Homemade, Version B	Folded steel U-frame, cut steel cam, bolt axle /w nut & cotter pin, noncommercial	NSS Auction, 1999	409	103	58	39	233
235	Infernal Machine	Folded Al U-frame, cut Al cam, bolt axle /w nut, swivel, noncommercial	Dwight Deal, 2007	~300	124	84	44	459
87	Kantyu	LH, Hungarian, stamped Al U-frame, milled Al cam mounted on axle bolt, one side cut open for rope clearance	International Congress of Speleology, 1980	106	88	52	30	137
57	Levistan, Version A	Russian, milled Ti U-frame with swinging side on 21 tooth hinge, milled cam /w ring, captured QR pin axle/latch	Speleoshoppe, 1994	145	56	45	29	73
174	Levistan, Version B	Folded steel frame, milled steel cam, pin axle, extension arms	William Shrewsbury, 2004	129	104	91	30	285
89	Lewis	UK, stamped SS U-frame, cast? Al cam, pin axle, spring-wire retainer	Al Fincham, 1981	195	104	570	40	2371
88	Lewis with Roller	UK, Al side plates bolted to Al block back, 2 rollers, cast? Al cam, pin axle, spring-wire retainer	Caving Supplies, 1982	259	118	75	41	363
90	LWO	Homemade, folded AL frame, hand cut & bolted cam, pin axle, spring-wire retainer, noncommercial	?	270	101	68	47	323
159	Lucas	Homemade, half pipe /w ears, hand cut cam /w rope bollards	Phil Lucas, 2001	305	129	48	71	441
242	Paquette	Homemade, folded AL frame, hand cut & bolted cam, pin axle, springwire retainer, noncommercial	Dr. Gary D. Storrick, 2008	315	128	95	40	487
207	Polish copy of Gibbs	Stamped Al U-frame, cast Al cam, pin axle with cross pin on cord keeper	Andrzej Mistela, 2006	147	105	58	44	269
231	Reflex	Stainless Steel, side opening, basal extensions on shell & cam, pivoting flat cam face	Konstantin Serafimov, 2007	278	137	86	30	349
124	Rock Exotica Large Rescucender	Milled Al frame, hard-coated milled Al cam on spring-wire keeper, pin axle /w ball and clip retention	On Rope 1, 1997	334	115	90	53	549
92	Rock Exotica Microcender	Milled Al frame, hard-coated milled Al cam on spring-wire keeper, pin axle with spring-loaded catch fitting milled frame slot & hole	Inner Mountain Outfitters, 1990	136	72	57	45	185
93	Rock Exotica Rescucender, Version A	Milled Al frame, hard-coated milled Al cam on spring-wire keeper, pin axle with spring-loaded catch fitting pin /w hole on frame	Inner Mountain Outfitters, 1989	229	113	76	45	386
94	Rock Exotica Rescucender, Version B	Milled Al frame, hard-coated milled Al cam on spring-wire keeper, pin axle with spring-loaded catch fitting milled frame slot & hole	Inner Mountain Outfitters, 1992	234	113	75	45	381
204	Rock Exotica(?) Double Microcender	Milled Al frame, two hard-coated milled Al cam on springwire keeper, sewn web sling, pin axle with spring-loaded catch fitting milled frame slot & hole	WesSpur Tree Equipment, 2006	247	76	58	65	284
95	Roehr & Katon	Stamped Al U-shell, hand-cut cam, pin axle, hitch pin clip retainer, noncommercial	Gary Moss, 1979	137	100	58	31	180
103	Russian Cable	Folded steel frame, milled steel cam, pin axle, spring-wire keeper	Ed Sira, 1993	175	90	45	33	134
96	Russian Rope	Milled Al frame, swinging side plate, milled Al cam on brass rivet	John E. Weinel, Inc., 1994	97	46	72	28	93
228	Russian Speleo Club "Barrier"	Folded steel frame, cut Al cam, axle in slot, noncommercial	Marina Chugnova, 2007	~100	81	87	33	230
85	Salewa Hiebler, Version A	Open-sided forged Al frame, forged spring-loaded Al cam /w staked axle	Darrel Tomer, 1984	109	46	107	30	148
86	Salewa Hiebler, Version B	Open-sided forged Al frame, forged spring-loaded Al cam /w staked axle, wire safety catch on frame	Eastern Mountain Sports, 1979	105	46	107	30	148
98	Storrick Thick Shell	Folded SS frame, hardened tool steel milled cam, bolt axle /w hex & wing nuts, noncommercial	Robert W. Storrick, 1971	333	90	55	42	208
97	Storrick Thin Shell	Folded SS frame, hardened tool steel milled cam, bolt axle /w hex & wing nuts, noncommercial	Robert W. Storrick, 1971	294	92	55	42	213
117	Ural-Alp	RH, Russian, stamped Ti? U-frame, forged spring-loaded Ti cam mounted on SS axle bolt, one side cut open for rope clearance	John E. Weinel, Inc., 1995	101	65	92	30	179
168	Ural-Alp Supplemental	RH, Russian, stamped Ti? U-frame, forged spring-loaded Ti cam mounted on SS axle bolt, one side cut open for rope clearance	Alvo-Titanium, 2003	85	70	87	31	185
149	Varnedoe	Homemade, AL frame & side plate, cable puller cam, bolt axle, cable clip-in point	Bill Varnedoe, 2000	545	112	79	57	503