Want to Build Noise And Smoke Maker - Page 2 - Graybeard Outdoors
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post #11 of 14 (permalink) Old 04-11-2019, 07:47 PM Thread Starter
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Is this doable? With all the materials figured here its only going to weigh 150 pounds. I also am wondering if the powder chamber is appropriate size but with the 7" bottle I cant go much bigger in diameter? What do you guys think?
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post #12 of 14 (permalink) Old 04-12-2019, 07:04 AM
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Now you are getting the idea. It would be a better idea if the chamber and barrel were all one dimater full length. Reduced or howitzer chambers present loading issues.

A long cylinder of seamless tubing tubing with a breech plug shrunk or sweated in place would much better. Look up the NSSA breech plug.

If you have the Lathe capabilities, a turned barrel would be a better option. But the way you are proceeding will work.
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post #13 of 14 (permalink) Old 05-03-2019, 11:31 AM
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Dog, you mentioned a Napoleon 1857, it is a great looking cannon. My avatar is an 1857. You are on the right track of design, but lack the profile will always look like an O2 bottle that makes noise. One of the difficult things with a cannon is the deep boring needed. You can purchase cored 4140 steel 4" d with a 1.5 cored hole, then plug the end at the cascabel, and have the barrel profiled.

If you intend to leave the cannon out in the weather be sure to fit a plug to keep out rain and other things.
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post #14 of 14 (permalink) Old 05-03-2019, 12:56 PM
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Yes I built a "laminated" DOM tube once. It did not really look too bad after some Lathe profiling. I made it after a Parrot style barrel..


I will post a pic if I can still find it.
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