Author Topic: Hooked breech fabrication  (Read 2054 times)

Offline Scota4570

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Hooked breech fabrication
« on: October 15, 2020, 07:11:46 PM »
I am working on a pistol. I may want to make a hooked breech.  The material I have for the tang section are massively oversized and will require hours on the mill.  I have large channel and solid stock. 

I thought of welding up a L-shape from two pieces.  Has anyone bent up an L-shape and added a bead of weld to make the sharp corned at the top edge?  I wish I had a forge right now. 

Thanks,
Scot

Offline jerrywh

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Re: Hooked breech fabrication
« Reply #1 on: October 15, 2020, 07:28:54 PM »
I just used a 2" piece of angle iron.
Nobody is always correct, Not even me.

Offline Daryl

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Re: Hooked breech fabrication
« Reply #2 on: October 15, 2020, 08:00:45 PM »
I used angle iron for a breech-face for a double rifle I was building back in the late 70's.
It worked very well.
Daryl

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Offline Bob Roller

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Re: Hooked breech fabrication
« Reply #3 on: October 15, 2020, 08:02:05 PM »
The first real muzzle loader I made was with a Bill Large 58 caliber barrel that
was 34"long and 1" across the octagon.It had no breech plug but was threaded
3/4x16/I bought a bolt to match that thread and cut it of leaving about 1/2"
of it and I altered it with a hacksaw and file to resemble the projection on a
"patent breech".I made a bolster to fit the side of the barrel and had Gene Miller
a local welder to weld it on for me.I then reshaped it to look like a bolster and then
drilled and tapped a nipple seat with a cross hole into the bore just ahead of the
plug.I then made a tang that looked like a common tang and inletted in on top
of the projection from the plug.Visualise this tang as a finger pressing down on
that projection and there is your breech and there is no reason that it won't work
with a flintlock rifle or pistol.I secured the tang with a screw and the barrel with a
flat "key"or wedge and shot the rifle for about 4 years and won a turkey in November
of 1958 using it.There are ways to bypass these building problems and this is one I
used with success when I had almost nothing to work with but an Atlas lathe and]it was
no help at all with this job.
Bob Roller

Offline D. Taylor Sapergia

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Re: Hooked breech fabrication
« Reply #4 on: October 16, 2020, 01:11:27 AM »
Some time ago, someone here posted a thread on making a standing breech for a hooked plug, out of a piece of rifle barrel.  It simply involved sawing and filing the piece of rifle barrel to create the tang and the hole for the bore was filed to accept the hook.  I thought it was ingeneous and very straightforward.
D. Taylor Sapergia
www.sapergia.blogspot.com

Art is not an object.  It is the excitement inspired by the object.

Offline RAT

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Re: Hooked breech fabrication
« Reply #5 on: October 16, 2020, 05:15:22 AM »
I'm going to need to make a hooked standing tang in the near future, so this thread helps me. I can figure out how to forge the standing portion and tang. What I can't figure out it how to make the cavity in the underside of the tang to receive the hook of the breech plug.

Do you need to file out the radiused cavity before bending the tang portion down? I don't see how this can be done without distorting it while bending. The only other way I can see doing it is to make a punch or stake and drive it in to form the cavity after bending the tang. For someone with welding skills they could make the standing portion, file the cavity, and then weld the tang on top. Unfortunately I have no welding skills or equipment. I do have a forge and anvil.

For the original poster... Google "blacksmithing bumping up", or something to that effect. See what comes up. This is how you push metal to form a better corner. Also, start with stock that is thicker than needed. This gives you extra metal you can remove from the front face and top to give you that corner. I'm not very good at bumping up, I tend to make maximum use of the latter.
Bob

Offline Scota4570

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Re: Hooked breech fabrication
« Reply #6 on: October 16, 2020, 05:59:38 AM »
Normally I would use a piece of channel steel.  It has the correct profile.  On this one I could not locate any channel small enough.

 On the rectangular hole, I just worry it out with drills and files.  I have a safe side square file that I use for this. 

To bend the tang I use a radiused off cold chisel and a ball peen hammer on a lead block.  I do not own a cross peen hammer.  If you wack the underside of the tand while on the lead block it will bend a little with every strike, without bending the standing breech part. 

Offline eggwelder

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Re: Hooked breech fabrication
« Reply #7 on: October 16, 2020, 12:53:33 PM »
Runastav I believe did a double SXS build and he used angle iron for the hook plate. Not sure how old that thread is, but it is on here somewhere

Offline eggwelder

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Re: Hooked breech fabrication
« Reply #8 on: October 16, 2020, 01:12:33 PM »
The first real muzzle loader I made was with a Bill Large 58 caliber barrel that
was 34"long and 1" across the octagon.It had no breech plug but was threaded
3/4x16/I bought a bolt to match that thread and cut it of leaving about 1/2"
of it and I altered it with a hacksaw and file to resemble the projection on a
"patent breech".I made a bolster to fit the side of the barrel and had Gene Miller
a local welder to weld it on for me.I then reshaped it to look like a bolster and then
drilled and tapped a nipple seat with a cross hole into the bore just ahead of the
plug.I then made a tang that looked like a common tang and inletted in on top
of the projection from the plug.Visualise this tang as a finger pressing down on
that projection and there is your breech and there is no reason that it won't work
with a flintlock rifle or pistol.I secured the tang with a screw and the barrel with a
flat "key"or wedge and shot the rifle for about 4 years and won a turkey in November
of 1958 using it.There are ways to bypass these building problems and this is one I
used with success when I had almost nothing to work with but an Atlas lathe and]it was
no help at all with this job.
Bob Roller

Bob, would you ever build a muzzleloader in that same fashion again? Ie- welding bolsters onto the barrel etc. You just don`t really hear of anyone doing it these days.  I`m not challenging you by any means, i just find it very interesting. I do have an old British made barrel that apparently has the bolster brazed on, but i can`t tell by looking at it

Offline sqrldog

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Re: Hooked breech fabrication
« Reply #9 on: October 16, 2020, 03:53:40 PM »
Couple of pictures of the hook breech  Taylor mentioned I've made several times using a short piece of barrel for the standing part of the breech and a bolt used for the breech plug. I've used this method on several rifles including two with interchangeable barrels. I learned this method of breeching a barrel from William Young years ago. May not be what you are looking for but has worked for me. It locks up tight if it is fitted well.. Tim






Offline Bob Roller

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Re: Hooked breech fabrication
« Reply #10 on: October 16, 2020, 03:55:09 PM »
My decision to have a bolster welded on to the barrel was an easy one
because I knew how skilled Gene Miller was and when I filed it to shape
there was no slag or pitting so I wasn't worried about it blowing off.
Today,I would use my milling machine and select the size of material
that would just barely make the bolster.The last one I made was for a
13/16" barrel and i used a piece of 1018 that was 1"square.A flat surface
and a Vernier height/scribe gauge was used to lay the job out.It's been
62 years since and I made that 58 and methods have  changed,
Bob Roller

Offline RAT

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Re: Hooked breech fabrication
« Reply #11 on: October 17, 2020, 11:30:55 PM »
Couple of pictures of the hook breech  Taylor mentioned I've made several times using a short piece of barrel for the standing part of the breech and a bolt used for the breech plug. I've used this method on several rifles including two with interchangeable barrels. I learned this method of breeching a barrel from William Young years ago. May not be what you are looking for but has worked for me. It locks up tight if it is fitted well.. Tim







Very interesting. With the engagement further out on the bottom of the tang it simplifies making the notch to receive the hook. That's the biggest hang up in my head... how to make the notch.
Bob

Offline Tim Crosby

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Re: Hooked breech fabrication
« Reply #12 on: October 18, 2020, 12:23:29 AM »
 How about this:

  https://americanlongrifles.org/forum/index.php?topic=27959.msg266671#msg266671

 Do a search on Hooked breach, there are more.

  Tim C.