Here’s a couple of progress pictures. I’ve started construction of the ROV float, and several of the major pieces are printed and test fit. The skids are off in these pictures several inches, just ignore that for now though heh. Next prints will be the two large side panels. The top structure is getting a bit of a redesign to accommodate the float base and the secondary pressure hull easier (the secondary pressure hull is an old underwater camera housing repurposed. Eventually that will house the robot arm control module, a rear camera, and half the batteries.
The thrusters themselves will start arriving over the next few months. Electronics will probably end up being a supplemental Robot arm controller coupled with a regular OpenROV control board. The robot arm itself is also on it’s way.
The float is going to consist of those two plywood platforms, with a secondary layer joining them together, then covered with closed cell structural composite aircraft foam (dyvinicel? sp) and glassed over. I’ll have plenty of room for ballast weights in the bottom if I need it. The top plate will end up being one center thruster mount, and then one rear pod mount suspended under the float between the rails. There will also be two lower cross spars to help support that rear pod.
The endcaps have not been milled yet, but everything looks like it will work out from the printed prototype (which is at the CNC shop) I’m shooting for an initial depth raiting of 300 feet give or take.
All the parts so far are printed at 100% infil, ABS.Eventually the entire thing will likely get painted to protect the aluminum from corrosion. The whole thing is going to weigh about 30 pounds when done, with at least half of that being battery weight. It’s getting there!