Jerry Rig Everything did a video with Sandy Munro on the R1T tear-down. They discuss the design of the tonneau mechanism at about the 5:00 mark. Pretty interesting to pull back the curtain.
I'm about the farthest thing from an automotive engineer but it looks like spraying lube between the...
Great write-up!
Another good site is 3-tree point. Current actions is generally low, and it gets deep quickly without a long surface swim. I haven't been there in a while but there used to be a Giant Pacific Octo who lived in the debris pile at 80'.
Three Tree Point (emeralddiving.com)