I need a solid way to increase the diameter of the male adapter of a speargun handle by about 1mm all around. I used two part epoxy to form a thin layer all around the male part and slowly inserted it into the tube turning it at the same time. The extra epoxy squeezed out and was easily removed. It's solid for now but I'm afraid that after many flexes of the barrel the epoxy will crack and disintegrate. Suggestions for a better way please.
Try a piece of a rubber hose, just as a huge O ring. A spear pole rubber may do the job.
im glad you found a solution, by looking at that picture and reading your post, i don't know what the hell is going on?? ive read it a few times but gave up.:)
What you were looking for (and found) is called "shim stock" in industry. Thin pieces of aluminum, stainless, and brass are available from McMaster.com and other places in almost any size from 0.002" through 0.100". If you can get an accurate measurement of the inside tube diameter, and the outside of the male piece, then you can subtract to get the difference and order the proper thickness for any application. They have thin nylon and UHMW plastic as well, but not in quite so many sizes. Hobby shops that cater to remote control model airplane builders are often a good place to get thin pieces of metal too.
Or you can just cut the bottom out of a shopping bag.
the flexible cutting boards that are available at the dollar store should also work, they are thin and flexible but are still pretty strong
im glad you found a solution, by looking at that picture and reading your post, i don't know what the hell is going on?? ive read it a few times but gave up.:)
I think Dan threw you off by mentioning the handle but posting a picture of the muzzle.
<img src= " height="23" srcset="https://spearfishing.world/forum/images/smilies/emojione/1f606@2x.png 2x">
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