They've been used for years in aircraft. Their specific design requirement was to be able to slide the pipes out without having space to pull them out of the couplers. They are very nice, but very expensive too. Add that on to needing to fab their coupler ends on to the piping and it gets even more expensive.
"Capitalization is the difference between helping your Uncle Jack off a horse, and helping your uncle jack off a horse." "'she' also likes to swap since I think I am going to need to give her to woody again." - Dvlhntr "full alphabetic boost mode" - ChristopherTheOne " Purrs like a sexually satisfied black panther." - BigTDogg "Two oil eating, angry, spinning triangles of death." - turtleboy on rotary engines
