The Craftmans Shop > Backyard Ballistics
Black Powder Cannon
bertie_bassett:
i have a feeling that cannons with integral trunnions didnt have much of the exterior actually machined, they were cast with the taper and with the trunnions in place. The external machining would just be truing up the trunions themselves and cleaning up each end of the barrel. The rest of the machining is just boring out the center.
i could be wrong with this though, but most old cannons iv seen have an 'as cast' exterior. i think ?
Arbalist:
I think you're right Bertie.
tom osselton:
I don't know Figs and cannons should not mix!
Although I have heared " I don't give a flying Figg! !!!
:wack:
BronxFigs:
Arbalist...
In your posting #8, you stated that you'd like to make a cannon using larger stock so that the trunnions would be part of the barrel. Your wording made me think that you are going to machine a barrel from bar-stock. If you are going to cast a cannon barrel, you will have no problems, however if you are going to turn a cannon barrel with integral trunnions, then you will have a trunnion ring to deal with, and, machine away.
My understanding is that as cast trunnions were just cleaned up a little ...if a trunnion lathe was not available.
Either way you choose to make a barrel you will have fun. Good luck.
Frank
Arbalist:
I had a look at the site suggested, very helpful.
http://www.seacoastartillery.com/manufacture.php?id=1
It's on a long to-do-list when my workshop is set up. :D
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