Water proof Servos and motors.

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  • Halcyon66
    Lieutenant, Junior Grade
    • Oct 2021
    • 28

    Water proof Servos and motors.

    Quick question has anyone experimented with water proof servos and motors? Thus limiting the WTC units to RX's and pump systems and some water proof connectors.

    Regards,

    Gregory
  • RCSubGuy
    Welcome to my underwater realm!
    • Aug 2009
    • 1768

    #2
    Yes, extensively. I and many others have successfully waterproofed standard servos, and I've used the new "waterproof" Hitec servos to good effect as well. Brushed motors can run wet, though they require additional maintenance and the life will be reduced. Brushless are perfectly happy in the wet, but again, you have some post-run maintenance for a full lifetime. My new cylinders feature brushless in the wet.

    As a point of thought, you've eliminated a linkage seal, but now you need to deal with an electrical seal. Certainly doable, but bear that in mind.

    Comment

    • SubDude
      Captain
      • Dec 2019
      • 803

      #3
      I do it on most of my boats.

      Comment

      • redboat219
        Admiral
        • Dec 2008
        • 2735

        #4
        Check out Bob's video on how to make a waterproof servo.
         
        Make it simple, make strong, make it work!

        Comment

        • redboat219
          Admiral
          • Dec 2008
          • 2735

          #5
          How to waterproof your electronics.
           
          Make it simple, make strong, make it work!

          Comment

          • redboat219
            Admiral
            • Dec 2008
            • 2735

            #6
            This guy doesn't even use a WTC. He just seals his electronics with nail polish.
             
            Make it simple, make strong, make it work!

            Comment

            • He Who Shall Not Be Named
              Moderator
              • Aug 2008
              • 12255

              #7
              Originally posted by redboat219
              This guy doesn't even use a WTC. He just seals his electronics with nail polish.
              Stunning work!
              Who is John Galt?

              Comment

              • Halcyon66
                Lieutenant, Junior Grade
                • Oct 2021
                • 28

                #8
                Great replies, many thanks. Been using the big hitec waterproof on some other projects yet good to know others are as well.

                Regards,

                Gregory

                Comment

                • SubDad79
                  Ensign
                  • Dec 2021
                  • 9

                  #9
                  I've used this product on my truck servos, receivers and LED circuit boards to waterproof them

                  Comment

                  • redboat219
                    Admiral
                    • Dec 2008
                    • 2735

                    #10
                    Originally posted by SubDad79
                    I've used this product on my truck servos, receivers and LED circuit boards to waterproof them

                    https://jimsbearings.com/products/he...erproofing-kit
                    Looks like nail polish.
                    Make it simple, make strong, make it work!

                    Comment

                    • RanSan
                      Lieutenant
                      • May 2020
                      • 61

                      #11
                      Originally posted by SubHuman
                      Yes, extensively. I and many others have successfully waterproofed standard servos, and I've used the new "waterproof" Hitec servos to good effect as well. Brushed motors can run wet, though they require additional maintenance and the life will be reduced. Brushless are perfectly happy in the wet, but again, you have some post-run maintenance for a full lifetime. My new cylinders feature brushless in the wet.

                      As a point of thought, you've eliminated a linkage seal, but now you need to deal with an electrical seal. Certainly doable, but bear that in mind.
                      I guess the next question is for those who use motors in the wet what is your typical post run maintenance?

                      In your book Bob you mention the brass rod through the bulkhead for the servos would that method work for the motor or is the current to high?

                      Comment

                      • RCSubGuy
                        Welcome to my underwater realm!
                        • Aug 2009
                        • 1768

                        #12
                        Randy,

                        That would work just fine, but typically use bullet connectors embedded in the end cap. That way you can just unlplug the motor to completely remove it for replacement, maintenance or upgrade.

                        Bob

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