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Very Hot Topic (More than 25 Replies) Next Project, Hepburn Walker Patent Configuration (Read 1061 times)
bobw
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Next Project, Hepburn Walker Patent Configuration
Oct 22nd, 2024 at 7:46pm
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Tom, Tony, Greg, Bruce and Rodney are exempt from answering this question. Cheesy

What is my next project?  Wonder how fast this will get answered!
Bob
« Last Edit: Oct 23rd, 2024 at 9:39pm by bobw »  
Robert Warren
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Jamey
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Re: Next Project
Reply #1 - Oct 22nd, 2024 at 8:29pm
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Hopkins & Allen?
  
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bobw
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Re: Next Project
Reply #2 - Oct 22nd, 2024 at 8:34pm
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Jamey, I can see why you might think that….but no.
Bob
  
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MrTipUp
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Re: Next Project
Reply #3 - Oct 22nd, 2024 at 9:24pm
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Davenport?

Bill Lawrence
  
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singleshotsam
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Re: Next Project
Reply #4 - Oct 22nd, 2024 at 9:29pm
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Walker Hepburn.
  
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bobw
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Re: Next Project
Reply #5 - Oct 22nd, 2024 at 9:44pm
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Bill, nope.
  
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bobw
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Re: Next Project
Reply #6 - Oct 22nd, 2024 at 10:02pm
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Less than 2 hours.  I'm impressed.  

It is a Walker Hepburn Patent model.  Notice that the breech block tips back, versus moving straight vertically.

Way to go Singleshotsam...but, you don't win anything! Grin

Pictures of the action side, and the same two pictures untouched.

This is a rare gun and Tom Rowe covers it in his Hepburn book.

Hopefully I can do it justice.
Bob
« Last Edit: Oct 22nd, 2024 at 10:16pm by bobw »  
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GT
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Re: Next Project
Reply #7 - Oct 23rd, 2024 at 12:48am
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Bob,
Nice job of graying out the name on the block and hammer.  Anxious to see the progress of your build.

For others, here is a pic of the patent drawing.  I have a kit from Rodney that I'd like to modify the workings to resemble this design.

Greg
  
"To invent, you need a good imagination and a pile of junk"  T. A. Edison
"The trouble ain't that there is too many fools, but that the lightning ain't distributed right" M.T.
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idjeffp
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Re: Next Project
Reply #8 - Oct 23rd, 2024 at 2:37pm
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Looking forward to this build Bob! Wink
Jeff P
  
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rifleman
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Re: Next Project
Reply #9 - Oct 23rd, 2024 at 8:06pm
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Bob, where’d you find it. What makes it a project?
  
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rkba2nd
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Re: Next Project
Reply #10 - Oct 23rd, 2024 at 8:50pm
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bobw has built numerous rifles from scratch, and each works of art. Both metal and wood. If one were to be handed a steel block, and a drawing, and told to build that. And a chunk of wood and told the same. That would certainly be a project. And sometimes making his own drawings adds another project. And on top of that he has documented the work for all of us to learn from. A most generous effort, and time consuming.
  
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bobw
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Re: Next Project
Reply #11 - Oct 23rd, 2024 at 9:36pm
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rkba2nd, thank you for the kind words.

rifleman, the gun shown, is not the project.  This gun is one, of only two  known guns in this configuration.

The current owner has graciously allowed me to study the features of this action. With this information, and the patent drawings, I should be able to build one.  Greg (gt), his son and I will be working through the issues in machining the parts, especially in a tough spot inside the frame.  Luckily, and I just found out today, those two have been studying and discussing how to machine this area.  So, yes, all the parts will need drawings and then will be machined from solid 8620 steel stock.  Once I know the action will function with a barrel, and test fired, it will get wood added from blanks of English walnut.
Hope this helps to clarify what I am doing.
Bob
  
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bobw
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Re: Next Project, Hepburn Walker Patent Configuration
Reply #12 - Oct 23rd, 2024 at 11:01pm
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Since there may be folks wondering what this is all about, I thought I would show some different views of three different versions of the Remington Hepburns.

Also, if anyone wants an in depth study of the Hepburn, I strongly suggest you get ahold of Tom Rowe book on them, it's very good.

Each set of pictures is shown in this order.
Standard Hepburn
Walker Hepburn
Walker Patent model, the gun I'm building.

Left side view of each style.

Note the screws, tongue out the front of the lower frame into the forearm, frame shape and trigger guard/lever.
Bob
« Last Edit: Oct 23rd, 2024 at 11:19pm by bobw »  
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bobw
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Re: Next Project, Hepburn Walker Patent Configuration
Reply #13 - Oct 23rd, 2024 at 11:07pm
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Rights side view.

Again, note the screws.  And, of course, the levers are the big thing here.  The standard Hepburn has the side lever to lower the Breech block.  The others use the lower finger lever.

Bob
« Last Edit: Oct 23rd, 2024 at 11:21pm by bobw »  
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bobw
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Re: Next Project, Hepburn Walker Patent Configuration
Reply #14 - Oct 23rd, 2024 at 11:17pm
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Top View.

Last picture shows the open Breech of the Patent model.  Same picture as before.

The standard and Walker Hepburn Breech Blocks move straight up and down, with no cam action.

The Walker Patent model was designed so the Breech Block rolls back when opened, and when closing will cam a shell into the chamber.  So it's action is similar to a Steven 44, 44 1/2 or a Ballard.
Bob
  
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