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Old 03-04-2005, 11:34 AM   #1
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Default Making a Heat Sink???

Any one know how to make a heatsink for a 540 motor...I am thinking of making one with a special scoop that goes over the engine...like a bend in a river...
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Old 03-04-2005, 11:45 AM   #2
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Here is a picture of what I mean...It's not great, I did it quick
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File Type: jpg scoop idea.jpg (102.2 KB, 128 views)
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Old 03-04-2005, 11:54 AM   #3
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Honestly unless you have machining tools I don't see any easy way to make one...

I would say if you could find an aluminum pipe that is think and has a slightly smaller inner diameter than the outer diameter of the can and is fairly thick then it could be done with a dremel...


here is how I would go about it...

slice the material directly down the center lengthwise so that it can be stretched over the can and fit snuggly.

carefully cut cooling fins that are as absoluetly deep as possible without slicing thru. Run the fins lengthwise for motors mounted on a front to rear axis like in the TC3 or other shaft drive cars.

Slice the fins radially (around the tube) for motors that are mounted side to side (XXX-S, 415, or other belt cars...

Remember that the more surface area the better the cooling, but make sure you use aluminum.....
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Old 03-04-2005, 11:56 AM   #4
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Quote:
Originally posted by jhigga15
Here is a picture of what I mean...It's not great, I did it quick
you can the air scoop on ebay for hpi pro4, tamiya evo. same concept.
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Old 03-04-2005, 12:07 PM   #5
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You would also have to angle the fins so that the air passes through...
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