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I have come across all the suggestions in the other posts. I don't understand why people are suggesting complex and expensive solutions which are also not feasible. A mechanical seal is the simplest answer for sealing the motor or making it of IP 68. We can use this motor to a depth of 20 m in sea water. The construction is like a WET pit. Such types of ...


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Yes, it works fine in a plastic (or wood) case. I've used the PA6H GPS from Adafruit in a Hammond 1553B plastic case with no issues. Mostly what you want to avoid is any sort of conductor that might block a signal. This includes copper and iron.


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I understand exactly what you are talking about. I am developing my own ROV that will have a track system and crawl on the sea floor. If I may suggest placing your motor in a high point in your ROV with the gear drive close to the bottom, you can install a pressurized air system that will allow air into the chamber as the ROV goes deeper. Think of it like a ...


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On one of my remotely controlled boats, I used this design... The blue discs are flywheels. They are attached to the green rods which are hooked to both sides of a flexible, waterproof membrane. The membrane is fixed to both sides of the casing so it will transmit the motion, but it will not let water through.


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