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Old 10-01-2012, 03:19 PM
  #8  
chuckk2
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Default RE: AR 6200

I'd agree on the voltage drop under a 3A load test.  Two many of the commonly used receiver battery packs get marginal on voltage when loaded.
A 2A load or more should be tested at about a 50% charge, and a 3A or more (battery dependent) at full charge.

After an experience with erratic operation of "out of the box" electric retracts - -
The retracts had a peak current draw well in excess of the rated draw.
Fully charged name brand conventional AA pen cells dropped excessively under peak draw, as did 2000ma NMIH.
A current meter was too slow to properly read the peak draw. A Spectrum AR600 and AR8000 LED "blinked", showing a momentary voltage drop below the three point whatever needed to keep the receiver happy.

It's obvious that things have changed since the "old days" of analog servos that didn't draw much current.
I also had a strange problem on another model using a 60A ESC with a built in 2A BEC and six digital servos. The problem went away when I started using an external 6A BEC.