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I haven't tried this myself, but I was just thinking that there could be many reasons why the motor heats up after running underwater. But first, do we know for sure that they are heating up more than they normally would? It would be interesting to (...) (24 years ago, 2-Jul-00, to lugnet.robotics)
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| | Re: running motors underwater
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(...) This sounds like a great application for temp sensors. :) I don't know if this has been brought up on this site before (it probabably has), but it might work pretty well to place a temp sensor directly against a motor's case, to measure the (...) (24 years ago, 3-Jul-00, to lugnet.robotics)
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| | Re: running motors underwater
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(...) It depends alot on what kind of water it's in. Pure distilled water doesn't conduct very well. Water with any kind of ions (salt chlorine, flourine etc) will conduct much better and cause more heating. In addition, the electrolisis that occurs (...) (24 years ago, 3-Jul-00, to lugnet.robotics)
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| | Re: running motors underwater
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Cool Idea, but take it to it's logical extension ... Use the technic pnuematic elements to maintain positive air pressure in the motor housing. If you pump air into the tubes that you mentioned at a pressure higher than the water pressure, it will (...) (24 years ago, 3-Jul-00, to lugnet.robotics)
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| | Re: running motors underwater
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Why not water cool the motor? you could have water sacks that are close to the motor and as a by-product of the water in the sacks heating it would rise letting in some cool water. Alternatively, you could build a simple pump using compression/ (...) (24 years ago, 3-Jul-00, to lugnet.robotics)
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