Replies to This Discussion

DeveloperPermalink Reply by jasonshort on September 25, 2011 at 12:53pm

Bearings going bad? Do you have a watt meter to check? More friction = more current = hot ESC...

 

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Permalink Reply by Michael Pursifull on September 25, 2011 at 5:45pm

Look to see if it is the ESC that supplies the BEC. If so, then that is common. It will heat up even if the motors are not spinning.

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Permalink Reply by Jim DeTour on October 17, 2011 at 4:34am

My attitude is buy higher amp than needed and configure to limit engine amps so that the engine never gets near the top amps draw of the engine controller.

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Permalink Reply by Kári Davíðsson on October 17, 2011 at 6:01am

I noticed that the ESC driving the APM gets hotter in my setup.

Now I run the APM on a separate powersupply.

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Permalink Reply by Michael Pursifull on October 17, 2011 at 7:09am

An extra couple of amps, and pushed down from 12v to 5v, will do that...

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Permalink Reply by John Campen on December 9, 2011 at 9:56pm

I have the same issue that the one ESC BEC supplying power to the APM gets quite hot. Its nearly hot enough you cant hold it and I haven't even fully loaded it up yet. Is there a better way to supply power to the APM  without adding another power supply/battery from the existing battery? My battery is 4s 3300mH

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ModeratorPermalink Reply by Graham Dyer on December 9, 2011 at 10:28pm

In a twin motor plane of mine that's had some 189 flights, I use both BEC's from the ESC's in parallel for 5v power for the Rx so the current is being shared. In my application the current draw is relatively low (4 servo's and 3 servoless retracts) however I have had no problems whatsoever running the two BEC's in parallel.

Could the 4 BEC's in a quad be shared?

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Permalink Reply by John Campen on December 9, 2011 at 11:15pm

Ive read somewhere its advisable not to have all four BECs connected as it somehow upsets the voltage  mix for the four ECSa. I'm not sure how or why that is.  I was also wondering if some how a filter can be made up so the four BECs can be used and so it can balance the voltage. This I would suspect be the best way. just I'm not sure how to make this up electronically.

Here is a link to discussion on this. http://diydrones.com/forum/topics/power-supplying-consideration?com...

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Permalink Reply by Anthony Fernando on August 15, 2012 at 11:26pm

Hi All,
I am a newbie to RC Flying and have some questions on ECS's and motors. I have just begun to build/set up my system using a Bixler and APM2. Before integrating the APM2 I wanted to first get the plane to fly.

My Current Setup:

Bixler V1
Turnigy 40A Super brain ESC
2200mAh 3C LiPo
Turnigy D2826-6 2200kv motor
6 X 4E propeller

When I test the system on the ground the ECS and the motor gets very hot. The ESC reaches about 80 Centigrade and the Motor is about 60 Centigrade.

Is this normal? Have I overlooked a setting or something else that I need to do?

I did calibrate the ECS with the Transmitter (Spektrum DX8)

Any advice would be greatly appreciated.
Thanks
Anthony.

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