Author Topic: Swamping a half-stock?  (Read 1884 times)

Offline JHeath

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Swamping a half-stock?
« on: December 30, 2021, 11:30:23 PM »
If a person was masochist enough to swamp a barrel by file, what to do about the rib?

Offline smylee grouch

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Re: Swamping a half-stock?
« Reply #1 on: December 31, 2021, 12:06:43 AM »
I have thought about that too but if you can file that much barrel I would think that the rib would be a lot easier.  :-\ Good question.

Offline rich pierce

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Re: Swamping a half-stock?
« Reply #2 on: December 31, 2021, 12:28:58 AM »
Usually tge rib is used to guide the ramrod drilling. That’s the issue with a ribbed, swamped barrel. If the rib follows the swamp, it could muck things up.
Andover, Vermont

Offline Tim Ault

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Re: Swamping a half-stock?
« Reply #3 on: December 31, 2021, 12:33:18 AM »
Maybe not the most correct thing to do but what about not swamping the bottom flat ? If the taper and flair isn’t too severe

Offline kutter

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Re: Swamping a half-stock?
« Reply #4 on: December 31, 2021, 02:28:27 AM »
Swamp all the flats except the bottom flat.
When filing the 2 oblique (sp?) flats on either side of the bottom flat, you will form a narrowed flat on the bottom. It will be the shape of the 'swamp',,,going from wide to narrow and then back to wide again.
But it will be a flat surface.

To this flat surface attach your half rib for the ramrod. The easiest way to fashion one that follows that  swamped sided form is to make one from wood.
The attachment surfaces of both the rib and bbl are flat, so that is easy to take care of.
You only have to shave the rib sides  to match the swamp of the bbl to make it look right.
The bottom edge remains flat so the ramrod runs smoothly down the rib and through the guides.

Don't do too radical of a swamp on the bbl so the rib doesn't need to be shaved too thin side to side.

Pin the rib in place using underlugs dovetailed or soldered to the bottom flat just like normal underlugs.


Online Daryl

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Re: Swamping a half-stock?
« Reply #5 on: December 31, 2021, 02:52:02 AM »
Swamped barrel in a 16 bore Joseph Lang rifle.
Hard to tell how the swamp in handled on the rib.
Maybe Taylor can enlighten us.





Daryl

"a gun without hammers is like a spaniel without ears" King George V

Offline JHeath

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Re: Swamping a half-stock?
« Reply #6 on: December 31, 2021, 03:36:55 AM »
Thanks Tim Ault, and especially for the details Kutter.

Daryl, do you have a full length photo of that Lang rifle?

Offline Dave B

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Re: Swamping a half-stock?
« Reply #7 on: January 01, 2022, 03:27:00 AM »
I used a hollow rib  and filed the rib to match the contour and soldered it in place. It was my first time to do it that way and it worked well.
Dave Blaisdell

Offline D. Taylor Sapergia

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Re: Swamping a half-stock?
« Reply #8 on: January 03, 2022, 12:43:07 AM »
Thanks Tim Ault, and especially for the details Kutter.

Daryl, do you have a full length photo of that Lang rifle?

JHeath:  check your pm inbox...sent pictures

Taylor
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Offline Dphariss

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Re: Swamping a half-stock?
« Reply #9 on: January 04, 2022, 05:27:39 PM »
The early J&S Hawken half stock in the Montana Historical Society collection has a slightly swamped 39 7/8" barrel. The rib is tapered.
If this is not done in one way or another on a tapered barrel or the breech is not shimmed up for drilling the rod hole, the rod hole will run "downhill", making for:
1. A deeper forend profile.
or
2: A wear plate and related hair pulling.

Dan
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Offline David Rase

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Re: Swamping a half-stock?
« Reply #10 on: January 04, 2022, 07:32:56 PM »
You guys are way over engineering the answer to the question.  Go ahead and inlet your swamped barrel.  Once inlet, drill a hole the diameter of your ramrod into a couple of wood blocks.  Adjust the distance between the hole and the bottom of one of your blocks to coincide with your web thickness.  Clamp this block in the area just in front of where the stock starts.  Take your second block and camp this block in place at the muzzle.  Stick your ramrod drill through both blocks until the tip is at the breech.  Measure the web thickness at the breech and remove the necessary wood from the block at the muzzle until you obtain your desired web thickness at the breech.  Once you are satisfied, clamp the barrel with your 2 wood guide blocks secured to the barrel to the stock and drill away.
David

 

Offline flehto

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Re: Swamping a half-stock?
« Reply #11 on: January 05, 2022, 03:41:29 PM »
I know that  if you already have a swamped bbl this post won't help w/ your problem....but, if a tapered bbl was used in lieu of a swamped, your problem wouldn't exist......Fred

Offline Robby

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Re: Swamping a half-stock?
« Reply #12 on: January 05, 2022, 05:46:55 PM »
I have done a couple and made wooden ribs planed to the barrel configuration. If you insist on a steel rib and are going to all the trouble of filing a swamp to the barrel, while you're in that filing mood, just file the rib to match.
Robby
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