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How to Waterproof a DC motor easily? Answered

Hellow Everyone!! I'm trying to build a ROV and bought 3 DC motors for that. I want to waterproof them. Please give me some general Ideas to waterproof them.

Discussions

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Cade Lewis

2 years ago

This is the type of motor, Thanks

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Cade Lewis

2 years ago

How do I waterproof my DC motor for my submersible

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KevinT73

2 years ago

Bilge pump motors (Johnson)

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KevinT73

2 years ago

I have had these on my kayak two years and no trouble....cheap easy to find.

https://youtu.be/j3VDzFkUSmw

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christopherm121

2 years ago

with jetskis they have through hull bearing that are sealed for the shaft to go through. Did not know if you could find them in a smaller size.

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hanish gopi

3 years ago

http://www.homebuiltrovs.com/howtobilgeconversion.html u can do dis wid bilge pumps

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gmxx

9 years ago

you are going to want to silicone pack those motors. I work with a robotics team, and we custom build our own thrusters. We pack them in a pvc tube, sealed at both ends. i have an instructable vide for it.

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steelsparkgmxx

Answer 5 years ago

Take the motor and put it in a film canister of pvc pipe and use toliet wax to water proof it. Works well.

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raul.valdivia.2012gmxx

Answer 6 years ago

Please send me the instructable vide for it.
I work with a robotics team in Brazil.
Nice to meet you

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gmxxgmxx

Answer 9 years ago

it would much easier to use bilge pumps, they come waterproof already

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boston7513

7 years ago

I'm late to this thread but I've been researching the same thing and I have been thinking about sealing the motor in a pvc tube and having it spin a permanent magnet that will spin magnets on the outside of the tube to turn the prop shaft

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NachoMahma

9 years ago

. Just how "water-proof" do they need to be? Splash? Submersion? ...?

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rickharris

9 years ago

Most low voltage DC motors will run happily under water Spray with WD 40 every time you use to reduce rust risk. try it you may be supprised.

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thecookiemonster

9 years ago

apparenrly they can work underwater but i dont know if that is true. there isnt an easy way to waterproof them because the spindle needs to spin freely, mabye you could buy specilly made ones? if you are in the uk rapid eletronics sell them for under £1.50 each!!!