Thread: Discussion Keel Cooling
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Old Jul 28, 2009, 05:30 PM
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Keel Cooling

Most modern harbor tug's i have seen have an enclosed cooling system and radiators / keel coolers under the hull and so not have to draw water from around them to cool on board equipment before pumping it overboard once it has done its cooling job.

Seeing as I'm building a modern style harbor tug with a heavy duty pair of Z Drives, i thought i would have an attempt at producing a pair of keel coolers to fit under the hull.
This tug will be doing some heavy pushing and shoving, so I'm going to do an enclosed cooling system with the ESC's cooled and the motor's cooled via these keel coolers and a pump.

Using some brass and copper tube, I've produced these...
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