Collection Home
Version A
Version B
Version C
Version D
Version E
|
|
|
|
|
|
| Version A | Version B | Version C | Version D | Version E |
[ Top | Version B | Version C | Version D | Version E | Return to Semi-mechanical Ascenders ]
|
|
I don't have a record of when I made this ascender, but it was before 1982.
Version A is 35 mm. long, 34 mm. wide, 10 mm. thick, and weighs 22 g.
I read about the Salewa ascender long before I was able to obtain one, so I fashioned one out of 1/4-inch aluminum. Version A is larger than the original, and should be used with larger slings.
[ Top | Version A | Version C | Version D | Version E | Return to Semi-mechanical Ascenders ]
|
|
I made six of these in 2008.
Version B is 31 mm. long, 26 mm. wide, 7 mm. thick, and weighs 11 g.
Some good friends that I’d never met were asking about the Salewa ascender, so I made a batch of them in September 2008. I used the original Salewa ascender as a pattern. This time I had a milling machine available, so the end product looks better as well.
[ Top | Version A | Version B | Version D | Version E | Return to Semi-mechanical Ascenders ]
|
|
I made twelve of these in 2021.
Version C is 29 mm. long, 25 mm. wide, 6 mm. thick, and weighs 9 g.
Using thinner aluminum allowed me to reduce the weight considerably compared to Version B.
I am not satisfied with this version, as the hole for the cord is too close to the slot. When I made these, I drilled the holes before maching the slot, and I had to angle the slot to provide clearance with the hole.
The matte finish if from placing these in a vibratory tumbler with porcelain media and running it overnight.
[ Top | Version A | Version B | Version C | Version E | Return to Semi-mechanical Ascenders ]
|
|
I made sixteen of these in 2021.
Version D is 31 mm. long, 25 mm. wide, 6 mm. thick, and weighs 9 g.
This version works well, but it is longer than it needs to be. I think it could be 5 mm. shorter, which would result in a significant weight and bulk savings on what is already a tiny, light ascender that weighs 24% less than the Salewa ascender that it emulates.
[ Top | Version A | Version B | Version C | Version D | Return to Semi-mechanical Ascenders ]
|
|
I made fourteen of these in 2022.
Version D is 31 mm. long, 25 mm. wide, 6 mm. thick, and weighs 8 g.
I made another batch for handouts, and took the opportunity to reduce the outrageous weight to somethin more manageable, knocking 7% off the weight of the previous version.
Efficiently rounding the other corners would require making a custom milling cutter.
[ Top | Version A | Version B | Version C | Version D | Version E ]
For far more content, use a larger monitor and a full-width window.
Hundreds of cell phone users complained and asked me to for a simpler, mobile friendly site. In particular, they wanted me to limit each page to a small number of pictures and minimize my use of text. This new site provides what they asked for.