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HomeAircraftHelicopterFPV First Person View UAS Unmanned Aircraft Systems › Powering 10mW Tx - use main batt., or add second?
02-23-2013 10:00 PM  5 years agoPost 1
Heli2232

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Chicago

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I'm interested in adding a small 10mW Tx and camera to an MCPx. Weight is of course a concern. I'm not sure how much power the camera and Tx use, relative to the heli's motor/servos (less of course).

Do you know how much power these Tx and cameras draw relative to the normal heli electronics? Is it very small - and thus I should just tap off of the main batter? Or do they use a considerable amount of power, and thus I should use a second small battery?

Thanks!

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03-03-2013 03:16 AM  5 years agoPost 2
lowtek

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PA

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Watch for brownouts
From my powered sailplane FPV experience: My camera, Tx, and OSD would blank when there was a big power draw from the motor. Especially as the battery voltage dropped. Had no room for another battery so I added a step up-down regulator. Problem solved. 2nd battery would be best if you can carry the weight.
RichK

Gravity Always Laughs Last

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