Re: Tinsmith's in frame gas tank for cantilever Schwinn.
Re- heating the joint and wiping with a dry cotton rag is a bit risky.
I balked after popping a seam back open.
I trashed a couple of flat files, but better yet get some emory boards like the ladies do their nails with.
They come in different degrees of abrasive.
You can also bend them to follow the not so flat , flat parts.
Followed up with some super fine sandpaper or 0000 steel wool.
Now you've made me want to build a second tank. This time out of copper.
I've got a really thick sheet downstairs in the basement calling my name..
Love the sight glass idea too...
I hope you don't mind if I borrow it.
Working with metal is pretty cool stuff, once you "understand" all of how it
wants you or how it doesn't want you to work with it. If that makes sense.
It lets you know what you are doing right or wrong some how..
I wish we were neighbors...