40 MM Rifled Breach Loader - Graybeard Outdoors
 
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post #1 of 243 (permalink) Old 05-14-2011, 01:53 AM Thread Starter
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Default 40 MM Rifled Breach Loader

I have a 40 MM Rifled barrel 31.5 in long . It is too short for most uses, so I am using it as a base to try several ideas on how to utilize barrel remnants. Finished the breach tonight , it is 2.75in OD x 4in threads . The threads are buttress form, 2 pitch 4 threads per in.
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post #2 of 243 (permalink) Old 05-14-2011, 12:42 PM
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Default Re: 40 MM Rifled Breach Loader

AAAH, Your killing me here. 40 MM X 31.5 inch is perfect for a full sized breach loading Hughes cannon.
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post #3 of 243 (permalink) Old 05-15-2011, 10:17 PM Thread Starter
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Default Re: 40 MM Rifled Breach Loader

Yes I tend to forget how hard it is to get 40mm barrels now. I am trying to use the last one I have the best way I know. The breach block is blanked out ready to thread for breach screw . Enclosed is a working drawing to show the internal shape . The front is still being figured ,so it is not drawn out.
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post #4 of 243 (permalink) Old 05-15-2011, 10:32 PM
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Default Re: 40 MM Rifled Breach Loader

So Moose53 which pre 1899 breech loading gun are you going to make?

Douglas
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post #5 of 243 (permalink) Old 05-16-2011, 12:14 AM Thread Starter
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Default Re: 40 MM Rifled Breach Loader

I really like the Whitworth Rifle so I will keep as much of it as I can . The improvements made between Civil War and Spanish American War are to good to pass up so I will use the breech of a 3.2 Field Cannon model 1885 without cutting the interrupted threads . Not set up for cutting internal interrupted threads. The problem with the Whitworth is the threads are directly over the powder , a weak point . The 3.2 is a much safer design.
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post #6 of 243 (permalink) Old 05-17-2011, 02:11 AM Thread Starter
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Default Re: 40 MM Rifled Breach Loader

Finished threading the breach today . Next step will be to fit the barrel , I am figuring this out as I go so hope not to run into any surprises
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post #7 of 243 (permalink) Old 05-17-2011, 01:22 PM
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Default Re: 40 MM Rifled Breach Loader

Here's a 40 I found on you tube don't know if he says anything useful for ya or not, but he does shoot it a few times.

http://www.youtube.com/watch?v=ScNxzy1fRZw

enjoy, and good luck with yours. They look fun.



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post #8 of 243 (permalink) Old 05-17-2011, 02:35 PM Thread Starter
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Default Re: 40 MM Rifled Breach Loader

Thanks, yes that is a good example of utilizing a short barrel. He could probably do better on his projectile, but the barrel looks good.
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post #9 of 243 (permalink) Old 05-17-2011, 02:36 PM
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Default Re: 40 MM Rifled Breach Loader

that's a Cannonmn video, Ed is a buddy of his and acts as a helper
in many of his video's he does some strange things with 40mm projo's.....

By the looks of things I'll have my Whitworth project going very soon,
also a 40mm.
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[b][color=navy]Mr president I do not cling to either my gun or my Bible.... my gun is holstered on my side so I may carry my Bible and quote from it! & Please pray for him... Psalm 109:8[b]

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post #10 of 243 (permalink) Old 05-17-2011, 04:03 PM
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Default Re: 40 MM Rifled Breach Loader

moose53,
Thanks for opening this topic and sharing your build, I've been watching it develop with a lot of enthusiasm. For me these documented build in progress threads are some of the most interesting on the forum.

RIP John. While on vacation July 4th 2013 in northern Wisconsin, he was ATVing with family and pulled ahead of everyone and took off at break-neck speed without a helmet. He lost control.....hit a tree....and the tree won. He died instantly.

The one thing that you can almost always rely on research leading to, is more research.
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