ID on Cannon Fragments?

[Digger54]

Hi. Up near the top of my bucket list is the project to ID parts of an iron Light Carriage/Swivel gun I dug decades ago. Have yet to get an ID as to type, age and country of origin. I figured this group would contain the most experience when it came to cannons.

I found three pieces of which I have two and gave my digging buddy the third. They were big globs of rust when they came out and spent some time in electrolysis before coming clean. They were found near the salt marsh in SC. Never did find any more pieces. It appears to have a 2" bore. I know it is a long shot (no pun intended) but nothing ventured, nothing gained.

Any help?

 

[Columbus]

Judging by its provenance, the size of the bore and the position of the remaining trunnion (the piece that held the cannon in place on the carriage), they seem to be the remains of a light 1-pounder English cast iron cannon and perhaps another slightly bigger cannon as well. I might be wrong, especially because the pieces are too small for a more specific identification attempt, but that's my educated guess.

Edit: the pieces are so small because the cannon/s probably burst and shattered in a myriad of small pieces, as with the majority of cast iron cannons. Had it been a bronze cannon, it would have gently ripped along the side, without bursting in pieces.

 

[k0bgalan]

If the bore measurement is correct, it would be a 2 pounder. While rare, 2 pounders were used by both sides of the Civil War.

 

[Columbus]

If the bore measurement is correct, it would be a 2 pounder. While rare, 2 pounders were used by both sides of the Civil War.

True, didn't think of that possibility. In any case, I'm almost completely sure it shattered during combat, perhaps due to prolonged use -as was common back then with cast iron cannons.