I hope this is in the correct location...
So I am working on an autonomous submarine for a senior capstone project at school. Basically, I made a large pressure vessel that houses our computer systems as well as our pneumatics system. It is an acrylic tube that is glued to two aluminum flanges...
So I am making a pressure vessel for aquatic use, and am having some problems with O ring face seal assembly. My O rings are size 171 and 174 (8.25 & 8.75 diameter at 3/32) and the grooves are machined within specified tolerances from this chart at the liquid specifications.
The problem I am...