Converted prop Coota water plane to EDF - RC Groups
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Jun 16, 2011, 07:08 AM
I'd rather be flying
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Converted prop Coota water plane to EDF

So I have to give all the credit to "Velyter" here on RCG for giving me this idea! I removed the old motor pod and added a 55mm EDF on my Coota. And, as promised, it worked very well! Well..... at least until the ESC quit and it went ker-splash!! LOL I should have added some cooling for the ESC since the coota originally flew fine with a smaller 20A but I had to use a 30A for the EDF w/ a 4500KV motor. Sooo, back to the drawing board for a few mods. Luckily, only the EDF just broke clean off and a litle hot glue will fix her up just fine! Here's the vid of it:
EDF Coota (4 min 10 sec)
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Nov 06, 2011, 09:01 AM
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Coota Cooling

The Motor pod has a vent in front and an opening to dump air into the body. This gives the ESC cooling air. The duct fan removed that.

This cooling arrangment makes a place for unwanted water spray, so I put a water-shield piece of plastic, and some drain holes in the neck to the motor pod. The air has a little more resistance but the water spray is caught and drains out.

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