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Building a Cam
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Apr 9, 2012
Rock Climbing Photo: me
Sounds scary be carefully man. Noah Fogel
From Cbad CA
Joined May 25, 2011
68 points
Apr 9, 2012
Rock Climbing Photo: Rock Wars, RRG, 2008
Looking 'bitchin' good so far. Woodchuck ATC
Joined Nov 29, 2007
3,282 points
Apr 9, 2012
Rock Climbing Photo: Climbing at the Gallery in Red Rocks
Aric Datesman wrote:
Oops! There was a good bit of behind-the-scenes unpleasantness with the 2010 comp and I apparently did too good a job forgetting everything about it. Sorry!


I'm just messing with you Aric, no worries.
kennoyce
From Layton, UT
Joined Aug 12, 2010
2,061 points
Apr 9, 2012
Rock Climbing Photo: Rump roast II, pistol whipped, Indian Creek  Photo...
Really cool project Kevin, looking forward to seeing more progress.

You said this is for school, might be good to spell axle correctly for anything written and submitted for your project.
mountainhick
From Black Hawk, CO
Joined Mar 19, 2009
222 points
Apr 9, 2012
Rock Climbing Photo: Axes glistening in the sun
That is cool! Looks like an old rigid friend. "H"
From Manitou Springs
Joined Feb 13, 2006
114 points
Apr 10, 2012
Rock Climbing Photo: roo, my only son, the stare that takes down a herd...
this has to be the best thread (polite, interesting, and progress) on MP! Ben Beard
From Superior, AZ
Joined Jun 9, 2009
240 points
Apr 10, 2012
Rock Climbing Photo: ...
^^^

Totally AGREE!

Cool and fun thread!
Locker
From Yucca Valley, CA
Joined Oct 13, 2002
2,541 points
Apr 10, 2012
Rock Climbing Photo: close up
UPDATE:

Spent yesterday and today cutting out and finishing lobes. Ready to begin cutting holes for axle and lightening holes. Can't find a drillbit that works though, so I might have to use a smaller size one and file out the inside until the lobes are loose on the axle. Ben Hicks- luckily this is the one class that requires zero writing, although thanks for pointing that out. Ben Beard- Thanks! I am really enjoying working on this project and hope to finish in the next week or so. The feedback I have received from everyone on MP has been great.


Rock Climbing Photo: All four machined lobes next to the G4R template l...
All four machined lobes next to the G4R template lobe
Kevin Brooks Henry
From Iowa City, IA
Joined Jan 9, 2010
690 points
Apr 10, 2012
frekin awesome way cooler than the gun cabinet i made in high school!! jake 356
From worcester
Joined Mar 14, 2012
0 points
Apr 11, 2012
Rock Climbing Photo: close up
UPDATE:

After messing up another lobe (lesson learned, go slow) I milled another and got it cut today. After that and a bit of searching, I found a drill bit slightly larger than the axle, and drilled the holes for the lobes to fit on the axle. Tomorrow I plan on working on trigger wire holes and holes for the pin that will hold the spring on.


Rock Climbing Photo: Side view of lobes with stem
Side view of lobes with stem



Rock Climbing Photo: Top view of just lobes
Top view of just lobes



Rock Climbing Photo: Top view of lobes and stem
Top view of lobes and stem
Kevin Brooks Henry
From Iowa City, IA
Joined Jan 9, 2010
690 points
Apr 11, 2012
Rock Climbing Photo: Breithorn
Dude, good on'ya. I would have been trying to find a way to smoke out of it in HS. TDF-Tommy
From Jones OK
Joined Feb 8, 2012
30 points
Apr 11, 2012
Rock Climbing Photo: Rock Wars, RRG, 2008
jake 356 wrote:
frekin awesome way cooler than the gun cabinet i made in high school!!


gun cabinet? shit, we were stuck with making a metal ash tray(before political correctness days).

In the 70's when guys were first admitted to 'home economics' classes like sewing, the Frostline Kits company kept many an outdoor guy busy designing and sewing up either a down vest or jacket, or a sleeping bag in high school. That was worh the project for sure.
Woodchuck ATC
Joined Nov 29, 2007
3,282 points
Apr 12, 2012
Rock Climbing Photo: close up
UPDATE:

Getting close, got the cam stops/spring pins installed in the lobes today. Just have to add lightening and trigger wire holes and finish the trigger bar them I'm basically done.


Rock Climbing Photo: The lobes with cam stops/spring pins
The lobes with cam stops/spring pins



Rock Climbing Photo: Another shot of just the lobes
Another shot of just the lobes



Rock Climbing Photo: The stem with the lobes attached to check fit
The stem with the lobes attached to check fit



Rock Climbing Photo: Another shot of the stem with lobes
Another shot of the stem with lobes
Kevin Brooks Henry
From Iowa City, IA
Joined Jan 9, 2010
690 points
Apr 12, 2012
This is an awesome project dude, looks like a ton of fun! I am curious though, could you not have gotten a piece of aluminum closer in width to the lobes instead of having to mill off what looks like almost half of a thicker piece? Ian Stewart
Joined May 17, 2010
166 points
Apr 12, 2012
Rock Climbing Photo: roo, my only son, the stare that takes down a herd...
pm sent on buying the cam... Ben Beard
From Superior, AZ
Joined Jun 9, 2009
240 points
Administrator
Apr 13, 2012
Rock Climbing Photo: Belay
Nice work!

Let me know when you start making new offset Alien clones.
Peter Franzen
From Phoenix, AZ
Joined Jan 1, 2001
3,943 points
Apr 13, 2012
Rock Climbing Photo: Mean Green P2
This is about the coolest thing I have seen in a while!

When you move on for your engineering degree it will be fun to do some load testing on this in your Mechanics of Materials class...
jack s.
From Kamloops, BC
Joined Jan 11, 2011
12 points
Apr 13, 2012
Rock Climbing Photo: Whoever this guy is, he's just plain irresponsible...
looking good kevin.
any plans to put some texture or ribbing on the lobes?
rogerbenton
Joined Sep 5, 2011
274 points
Apr 13, 2012
Rock Climbing Photo: Climbing above Black Lake
way cool. been fun following this project. Mike Pharris
From Longmont, CO
Joined May 21, 2007
147 points
Apr 14, 2012
Rock Climbing Photo: close up
UPDATE:

Yesterday I added lightening holes and trigger wire holes to the lobes. Geting really close and all the machining that's left to do is to machine a trigger bar. I was originally going to go with a round bar, but attempting to drill small holes in it has broken several bits, so I am going to machine a small flat rectangular bar instead. Will also cut teeth into the lobes on Monday. Ian Stewart- I wish I didn't have to machine so much off, seems like a waste to me, but the plate I ordered was the thickness of the stem, which is what I needed.


Rock Climbing Photo: All of the lobes ready for teeth
All of the lobes ready for teeth



Rock Climbing Photo: Up close detail of machining done to lobes.
Up close detail of machining done to lobes.
Kevin Brooks Henry
From Iowa City, IA
Joined Jan 9, 2010
690 points
Apr 16, 2012
Rock Climbing Photo: close up
UPDATE:

Got the teeth cut into the lobes today and started assembling the cam. Got the upper part of the trigger wires attached and a trigger bar machined. Unfortunantly, the trigger bar was a bit small, so tomorrow I will machine a new one and hopefully finish the cam.


Rock Climbing Photo: Almost there...
Almost there...



Rock Climbing Photo: I know the lobes are a bit tweaked, but once I add...
I know the lobes are a bit tweaked, but once I add another washer to each side they should be fine.
Kevin Brooks Henry
From Iowa City, IA
Joined Jan 9, 2010
690 points
Apr 16, 2012
Rock Climbing Photo: Breithorn
Looking good! I know this is your baby, but are you going to test it when complete? TDF-Tommy
From Jones OK
Joined Feb 8, 2012
30 points
Apr 17, 2012
Rock Climbing Photo: Top of Castleton
looking good amigo Zeke6
From Akron, Ohio
Joined Feb 6, 2011
96 points
Apr 17, 2012
Rock Climbing Photo: Thunderbolt Peak in the Palisades
Project looks great. Thanks for cotinuing to share your work. randy88fj62
Joined May 28, 2010
201 points
Apr 17, 2012
Rock Climbing Photo: ...
When you get done with that cam...

make me a 1.25 and a 1.75...

I can't for the life of me find any...

LOL!!!...



On a more serious note:

The project appears to be going well...

GOOD job young man!!!...
Locker
From Yucca Valley, CA
Joined Oct 13, 2002
2,541 points


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