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Originally Posted by colin340
in NURC you put your robot eletronics in a water proof case i see but what about wires
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Well, there are many ways of waterproofing. If wires are exiting a waterproof case, the hole has to be waterproof. There are a lot of ways of waterproofing a hole, but the trick is to see if it reamains waterproof when the ROV dives. The preasure at depths is the real problem.
A few years ago, we built a PVC ROV and we modified PVC fittings with epoxy for waterproof conectors that were to be used in a swimming pool (20 foot depth). Our connections held up well, but the Pelican Case that is "waterproof" leaked. It had an O ring on the lid that leaked at a joint. A small leak, but when the ROV is underwater for a half hour, even a small leak lets in a lot of water.
http://www.phxhs.k12.az.us/education...493a828c4fb37a
NURC = a wet FIRST!
http://www.H2Orobots.org/