Search found 21 matches

by Paulc
Sat Apr 25, 2020 3:23 pm
Forum: Gunsmithing
Topic: Burnside carbine build
Replies: 9
Views: 5289

Re: Burnside carbine build

Photo of the lock innards
Image
by Paulc
Fri Apr 24, 2020 10:56 pm
Forum: Gunsmithing
Topic: Burnside carbine build
Replies: 9
Views: 5289

Re: Burnside carbine build

Progress has been a bit slow so far.
Have the lock plate fabricated and the lockworks functioning.
Need to contour the plate now to at least resemble the lines of the original from the recess on the receiver. that will entail a bit of file work :roll:
by Paulc
Thu Feb 27, 2020 3:30 pm
Forum: Gunsmithing
Topic: Burnside carbine build
Replies: 9
Views: 5289

Re: Burnside carbine build

Still working on the drawings. Have most of them finished, doing custom screws now. Need those for the existing holes in the receiver which are oddball threads, close to SAE but a tad looser. Also researching casting as I'm thinking of casting the lever parts, trigger and breech block parts from sil...
by Paulc
Wed Feb 05, 2020 3:20 pm
Forum: Gunsmithing
Topic: Burnside carbine build
Replies: 9
Views: 5289

Re: Burnside carbine build

I'll probably use Sharps lock parts from Dixie as well as the Sharps lock is very similar to the Burnside's. There are a few fiddly parts that could be made the innards will not be seen and I'm not going for an absolute reproduction.
by Paulc
Mon Feb 03, 2020 9:39 pm
Forum: Gunsmithing
Topic: Burnside carbine build
Replies: 9
Views: 5289

Burnside carbine build

So here's the start of my Burnside carbine build. Acquired a receiver and barrel so the hardest parts are already done. Bore needs a bit of a cleaning but in general looks very good considering its age. Attachment is just the breechblock so far, not yet dimensioned but full sized. Will probably have...
by Paulc
Tue Jan 21, 2020 9:15 pm
Forum: General Discussion
Topic: Internal tapered bore
Replies: 18
Views: 3894

Re: Internal tapered bore

The back third of the breech block (with the percussion nipple)is a separate spring loaded piece that pushes the empty high enough to grab it.
by Paulc
Tue Jan 21, 2020 3:51 pm
Forum: General Discussion
Topic: Internal tapered bore
Replies: 18
Views: 3894

Re: Internal tapered bore

Lever causes breech to drop down, cartridge goes in small end first. Closing lever makes breech rise and move foreward pushing bullet into barrel slightly
The bulge below the bullet acts as a gas seal.
DSC03042_zpsyqxacv9k.jpg
Yes, indent in small end is concentric
by Paulc
Tue Jan 21, 2020 2:57 pm
Forum: General Discussion
Topic: Internal tapered bore
Replies: 18
Views: 3894

Re: Internal tapered bore

Thanks to all. Lots of information to sort through.
I'll have to experiment with the different methods and see what works best.
No bullets yet, just the empty case so probably a center would work ok on the front end.
by Paulc
Mon Jan 20, 2020 2:30 pm
Forum: General Discussion
Topic: Internal tapered bore
Replies: 18
Views: 3894

Re: Internal tapered bore

Cartridge looks like this
usa-18.jpg
file3184.jpg_thumbnail1.jpg
54 caliber. Fires from percussion cap igniting cartridge powder thru small hole in base.
I'll try to get some measurements today of the new brass i have.
How about a d reamer?
by Paulc
Sat Jan 18, 2020 3:28 pm
Forum: General Discussion
Topic: Internal tapered bore
Replies: 18
Views: 3894

Internal tapered bore

How best to bore a tapered hole in steel?
Trying to match the taper of a civil war cartridge (Burnside) in the breech block.
Lathe plus boring bar or ...?
by Paulc
Wed Jan 08, 2020 8:34 pm
Forum: Milling Machines
Topic: Dros for mini mills
Replies: 8
Views: 6143

Re: Dros for mini mills

Also good points to ponder