How to Double Bottom A Copper Pot
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- เผยแพร่เมื่อ 5 ก.พ. 2025
- Doing a double bottom to a piece is always tricky - and even here, it’s not perfect! If I had a double bottoming machine…
Anyway - this process helps turn a crimp seam along the base into a much stronger, long-lasting base. The trick is the solder the crimp seam before you double bottom it.
Let me know your thoughts, comments, tips, or tricks, so we can all share the knowledge in one big awesome brain think!
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I actually made it here because I enjoy watching tinsmithing. Liked the channel so much I’m now a subscriber! Keep the videos coming
OH yay!! Thank you! So happy to have you "join" - thank you for watching!!! :)
Very cool!
Knocked Up Joints executed correctly will remain water tight too, they're aesthetically better also and eliminates the costs & distortion that comes with soldering
I haven't done one of those seams! Thank you!
If you had a double seaming machine that pot would likely be too tall for it. The one I have can't do anything more than about 14" deep. (I have never had call to use it, but since that antique dealer was selling it as "yard art" I figured I might someday.)
I think the (if it's long enough) the lump on the end of your double seaming stake might have been closer to the curve of the pan and the flat end might have pushed through less than angled end of the hollow mandrel.
Exactly - I recall the double seaming machines being pretty specific to diameters (though some have different size plates you can exchange out, few are this big, if any!). And yes, you're totally spot on - the double seaming stake would have been amazing but alas, the set up for it on the stake plate would not have been long enough for this piece. :( #tinsmithingproblems :P Thank you for this awesome comment, though - I love that you know all the stakes, etc!!!
Oh, silly me. Too tall for the machine, too tall for the stake too. This might be a good application for a handheld dolly like they use in auto bodywork.
I think I'll have to try out that machine this weekend.
YES! Try out the machine!!!
So there is only a single piece for the bottom of the pan? The "double" in the name is because the seam is doubled over?
yes, correct. It's only a single bottom circle for the base, and "double bottoming" in coppersmithing and tinsmithing terms means you fold the crimp seam over on itself (twice over = double bottom seam). :)
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