differant way to construct a cannon barrel

[GGaskill]

You only need the 1:1 thickness over the chamber and a couple of inches in front.  The rest can be less thick.  Start with your cartridge case design; the rest will follow from that.

[sterling]

so im going to use my old corps breech idea to attach the inner barrel.

here is some pic







so would welding the barrel  to the breech be ok? or should i some how mill it to thread in?

the breech is 2" thick and is welded to a 8"diam barrel. so when firing this you guys are correct..not a real bang.everything was muffled.liking the idea of a inner barrel to send the sound right up the outer barrel.. This is why im here to ask questions to you who are the experts.I really am thankful.

[jamesfrom180]

One of your drawings showed a flared end to the inner barrel, I would instead use a set of bushings this will help keep in in line with the barrel.  Really looking good. 

[sterling]

Thanks..will look into that bushing idea soon as i get the breech built and the inner barrel.. will keep everyone posted.


thanks again

[sterling]

quick question.. after i got my breech made how should i attach the barrel to the breech. should i have it thread in or should i have it welded.. i was thinking of threading it in then welded but want to have the right strenth and safty is number one.

[Cat Whisperer]

cutting threads reduces the strength by about 50%

Welding should be done away from stress points, may require pre-heat or other precautions (have it done by a certified welder).

Shrink fit and welded is good.

[sterling]

have it done by a certified welder....

i wont be cutting corners so i will be getting that part done for sure by a certified welder..

thanks for all your help.