Quote:
Originally posted by nicozeg
Of course I like more the bonded tube solution, in fact, none of the blocks i've made have barbs.
But still lots of people likes brass barbs, and it seems to me that improving the reliability in this case is good.
If someone wants to use solvent in machined surfaces there's another precaution needed: No cutting oil can be used, It's going to penetrate the cracks and ruin any solvent job.
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I opted for an all plastic construction, from the beginning, but I have pp barbs, in a plastic-to-plastic connection (actually PVC). Otherwise, an o-ring will take care of my only plastic to metal joint.
We have to steer people away from the brass barbs! But otherwise, I'd opt for gluing a brass sleeve into the top. I don't see how brass barbs improve reliability.
Good tip on the solvent/oil.