|
Joined: Oct 2009
Posts: 5,834
Campfire Tracker
|
OP
Campfire Tracker
Joined: Oct 2009
Posts: 5,834 |
Are there any special considerations that need to be addressed when indicating and/or chambering a Proof barrel?
I typically chamber with the barrel thru the headstock, using a 4-jaw on the inboard side and a spider on the outboard side. When chucking the barrel I tighten the jaws against a piece of 4ga copper wire that is wrapped around the barrel. On the outboard side I try to use brass shim stock under the bolts in the spider. All this of course is with CM or SS barrels. Should I be doing something differently with the CF wrapped barrel?
I never thought I'd grow up to be a grumpy old man, but I did, and I'm killin' it.
|
|
|
|
Joined: Dec 2007
Posts: 1,524
Campfire Regular
|
Campfire Regular
Joined: Dec 2007
Posts: 1,524 |
Never done one of those but I would be a little hesitant to clamp on the CF. Maybe its not an issue but before I ruined something, I would be calling the company to find out what they say. I would think that shim stock would help spread the force so you don't compress the CF, if that is even possible.
|
|
|
|
Joined: Apr 2010
Posts: 8,236 Likes: 18
Campfire Outfitter
|
Campfire Outfitter
Joined: Apr 2010
Posts: 8,236 Likes: 18 |
The one I did I was able to keep the chuck jaws on the SS portion of the shank. I use a spud into the muzzle end that is also my flow through coolant nozzle so didn't have to worry about clamping on the muzzle. If I was to use a spider and it had to tighten on the CF I'd probably put a wrap or two of some kind of tape between the CF and the shim stock and even then be pretty gentle on the screws.
|
|
|
|
Joined: Oct 2009
Posts: 5,834
Campfire Tracker
|
OP
Campfire Tracker
Joined: Oct 2009
Posts: 5,834 |
Thought about going a step further and turning a collar with the correct internal taper, splitting it, and then sliding it over the CF portion of the barrel and letting the bolts from the spider press against the collar.
I never thought I'd grow up to be a grumpy old man, but I did, and I'm killin' it.
|
|
|
|
Joined: Feb 2002
Posts: 32,044
Campfire 'Bwana
|
Campfire 'Bwana
Joined: Feb 2002
Posts: 32,044 |
you might be better off using a collet chuck
A Doe walks out of the woods today and says, that is the last time I'm going to do that for Two Bucks.
|
|
|
|
Joined: Oct 2009
Posts: 5,834
Campfire Tracker
|
OP
Campfire Tracker
Joined: Oct 2009
Posts: 5,834 |
you might be better off using a collet chuck And turn the barrel between centers? Use a steady rest? Parrish the thought. That's why they make lathes with short headstocks. LOL FWIW, I haven't yet acquired a collet chuck, nor have I made a collet closer for my lathe.
I never thought I'd grow up to be a grumpy old man, but I did, and I'm killin' it.
|
|
|
|
Joined: Dec 2002
Posts: 13,150 Likes: 24
Campfire Outfitter
|
Campfire Outfitter
Joined: Dec 2002
Posts: 13,150 Likes: 24 |
I would make a split collet to put on it.
NRA Benefactor Member
Those who live by the sword get shot by those who don't.
|
|
|
|
Joined: Mar 2007
Posts: 9,213 Likes: 3
Campfire Outfitter
|
Campfire Outfitter
Joined: Mar 2007
Posts: 9,213 Likes: 3 |
If you can swing proof tubes, you can afford a TBAS.
I would not buy something that runs on any kind of primer given the possibility of primer shortages and even regulations. In fact, why not buy a flintlock? Really. Rocks aren't going away anytime soon.
|
|
|
|
Joined: Jun 2004
Posts: 886
Campfire Regular
|
Campfire Regular
Joined: Jun 2004
Posts: 886 |
I put them through my head stock just like any other barrel. On the chamber end there is plenty of steel to grab and on the muzzle end you don't need to grab them very tight to maintain alignment. I do about 3 or 4 a year.
"Hired Gun" Quickest and fastest all motor sand car on the planet. 3.008 at 104.8 300' of sand.
NRA Patron Life Member, Gunsmith, Instructor, Chief RSO
|
|
|
|
570 members (1Longbow, 222ND, 10Glocks, 160user, 12344mag, 222Sako, 75 invisible),
2,200
guests, and
1,178
robots. |
Key:
Admin,
Global Mod,
Mod
|
|
Forums81
Topics1,194,568
Posts18,531,853
Members74,041
|
Most Online11,491 Jul 7th, 2023
|
|
|
|