Crack Machine

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Messages 61 - 70 of total 70 in this topic << First  |  < Previous  |  Show All  |  Next >  |  Last >>
westhegimp

Social climber
granada hills
Mar 13, 2013 - 10:49pm PT
Check it.

Santa's Chimney is adjustable in width and steepness.

In the 5" wide range I think.

The Rack is a horizontal crack that is adjustable in the width. Wide Pony w/Hand/Fist stacking.

Like fun but different.
murcy

Gym climber
sanfrancisco
Mar 13, 2013 - 10:53pm PT
Wow! Serious ingenuity. (And a vehicle outside looking like it misses its garage. :0) )
Scrubber

climber
Straight outta Squampton
Mar 13, 2013 - 11:06pm PT
The one I built has the crack lined with 180 grit cloth-backed sandpaper. We use 6" wide by 100' rolls of it for one of our sanding machines at work. I glued it on with contact cement and wrapped it an inch and a half around the front so that feet wouldn't peel it off. The crack is made from nice flat, good quality fir 2x12's, so two widths of the abrasive was almost a perfect fit after the front wrap. I dulled the paper down with a flat honing stone so it wouldn't just eat your hands. It feels like Indian Creek!


Adjustable angle via aircraft cable and a boat trailer winch:

Adjustable crack size from the front via half of an old bike turning linked gears behind the wall:
The long bike chain runs to a second threaded rod at the top of the wall, keeping the crack paralell as it moves open and closed.

Let me know if you want details on how to build your own.
K
Steve Grossman

Trad climber
Seattle, WA
Mar 13, 2013 - 11:18pm PT
If you want to shape some boards for jamming, a 7" chain-toothed wheel for a big sidegrinder does the trick as long as you have heavy gloves and the skill.

As long as you stick to a no foot jamming policy plenty of acrylic modified cement products can be used to coat the shaped boards once a proper bonder is applied to the lumber.

Just make sure not to create jams that will keep a finger.

I have some photos if I can find them...
murcy

Gym climber
sanfrancisco
Mar 13, 2013 - 11:42pm PT
Sick!
nutjob

Sport climber
Almost to Hollywood, Baby!
Apr 29, 2013 - 09:17pm PT
Bump for awesome home projects. I've got a big tall space, a small budget, and a gleam in my eye.
E Robinson

climber
Salinas, CA
Apr 30, 2013 - 12:13am PT
Still think Rapidset Mortar Mix and Cement All makes for the best "I can't deal with driving anywhere and just want to relax in the backyard listening to tunes" climbing structures.
E
Some Random Guy

climber
Under a Little Pink Umbrella
Apr 30, 2013 - 11:36pm PT
that's awesome robinson.
here's my home training setup. it's pretty sweet.
u see that quality craftsmanship!
E Robinson

climber
Salinas, CA
May 1, 2013 - 03:00am PT
Pretty slick handiwork there...
thebravecowboy

climber
The Good Places
Sep 17, 2015 - 02:49pm PT
Messages 61 - 70 of total 70 in this topic << First  |  < Previous  |  Show All  |  Next >  |  Last >>
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