Hi, Can someone please tell me if there's a small, *water proof* DC motor available to buy which I can leave permanently outdoors? Even worse, it will get splashed by the waters in my miniature "lake" projects as depicted here:-
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(That's a large *pond* in an isolated location... hence I gave it a pet name of "Lake Europa"!)
Looking at your site, how about a marine sump pump? Might fit the bill, is cheap, avalible all over the place, and could be hidden below the surface of the water.
The motor needs to be something very basic, small and 'toy-like' actually. It just needs to run off 4 x AA batteries or a 9 volt PP3. I just want it to keep the water surface stirring enough to stop the pond from freezing over completely, and endangering the fish.
The motors of this type sold in Maplin (UK) are not water-proof, and when the stirring platform takes a dive into the water during a rain storm, the motor just ceases up and rusts. Budget... a couple of pounds!
I read in sci.electronics.design that AA Institute wrote (in ) about 'Water resistant motor', on Sun, 3 Oct 2004:
You can get a plastic box rated IP66 or better from Farnell for a pound or three. Put your motor in it and make your float such that the motor is 150 mm above the water. The motor spindle can be 150 mm long with little problem, especially if you fit a simple guide, not a precision bearing, at the watery end.
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Regards, John Woodgate, OOO - Own Opinions Only.
The good news is that nothing is compulsory.
The bad news is that everything is prohibited.
http://www.jmwa.demon.co.uk Also see http://www.isce.org.uk
I read in sci.electronics.design that Frank Bemelman wrote (in ) about 'Water resistant motor', on Sun, 3 Oct 2004:
The lids go rusty.
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Regards, John Woodgate, OOO - Own Opinions Only.
The good news is that nothing is compulsory.
The bad news is that everything is prohibited.
http://www.jmwa.demon.co.uk Also see http://www.isce.org.uk
| >> >The motors of this type sold in Maplin (UK) are not water-proof, and | >> >when the stirring platform takes a dive into the water during a rain | >> >storm, the motor just ceases up and rusts. Budget... a couple of pounds! | >>
| >> You can get a plastic box rated IP66 or better from Farnell for a pound | >> or three. Put your motor in it and make your float such that the motor | >> is 150 mm above the water. The motor spindle can be 150 mm long with | >> little problem, especially if you fit a simple guide, not a precision | >> bearing, at the watery end. | >
| >Or peanut butter jars. IP67 and cheaper ;) | >
| The lids go rusty. | -- | Regards, John Woodgate, OOO - Own Opinions Only. | The good news is that nothing is compulsory. | The bad news is that everything is prohibited. |
I read in sci.electronics.design that Genome wrote (in ) about 'Water resistant motor', on Sun, 3 Oct 2004:
Actually, glass is a better enclosure material than peanut butter. Greater useful temperature range.
--
Regards, John Woodgate, OOO - Own Opinions Only.
The good news is that nothing is compulsory.
The bad news is that everything is prohibited.
http://www.jmwa.demon.co.uk Also see http://www.isce.org.uk
---------- You haven't bought peanut butter for a while- nowadays both jar and lid are plastic.-at least the one marked "kraft" in my pantry is made this way :)
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Don Kelly
dhky@peeshaw.ca
remove the urine to answer
> --
> Regards, John Woodgate, OOO - Own Opinions Only.
> The good news is that nothing is compulsory.
> The bad news is that everything is prohibited.
> http://www.jmwa.demon.co.uk Also see http://www.isce.org.uk
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