Quote:
Originally posted by Almén
Why? Do you think the corners will be to sharp?
Does the O-ring need to be pressed against the backplane of the groove to be able to handle pressure?
Would it be easier to make the top in copper, and solder it on with silver solder?
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If that's your remaining option, yes.
Otherwise, you'd have a groove that has extra openings on the outside wall, and that's potential for a leak.
I dunno, maybe you could test it. Your main obstacle will be drilling perfectly straight in copper, which is hard enough to do. Personally, I wouldn't even try it.