In theory, the answer to your question is no.  The connectors we use on the ends of servos/extensions are rated for 3 amps.<div>
</div><div>of course, in practice, for many of the reasons stated above, you'll be just fine.  The 3.2A draw is at a STALLED condition...in other words, the servo is trying to move, but can't.  A servo should never see that condition on one of our airplanes.</div><div>
</div><div>Will they see 'force" as the surface resists movement in the air?  Sure.  But stalled?  No.</div><div>
</div><div>Also, the 3A max for ouor connectors is a maximum constant draw...they can handle brief spikes considerably higher than that.  So, again, EVEN if you stalled a servo or, as someone suggested above, it maxed during the initial load, the connectors would, again, be fine.</div><div>
</div><div>What you SHOULD pay attention to (though it's not likely to be an issue on a 50cc plane) is the TOTAL current that might be pulled from the battery through the receiver at any one time.  At high deflection of all control surfaces (say, an aggressive snap roll at higher speeds) EACH servo is drawing an appreciable amount of amps.  If they all need that current at one time, then the TOTAL current is what's being seen by the battery and its connection to the receiver.</div><div>
</div><div>Again, on a 50cc airplane, even just a bit of consideration such as using heavy duty extensions instead of cheap standard ones, and providing sufficient power (6V 5S NiMh at a minimum) will keep you well in the safe zone.</div><div>
</div><div>So, while it's not likely to become an issue, it IS worth understanding the idea that multiple servos pull a combined current, and one should, at least, pay attention to such things.</div><div>
</div><div>As for me, every 50cc airplane I own or have owned has used the standard Rx/Batt connectors and been just fine.  My current preferred power setup for ANY 2.4Ghz airplane up to and including 50cc gassers is a 2S 2300 LiPo pack with a Radio South 10A switched 6V regulator.  It's quick, simple, easy to install, clean power, plenty of capability to handle any current a 50cc airplane will through at it, and EVEN if the LiPo drops a cell there's at least SOME chance the airplane makes it down safely.</div><div>
</div><div>On 100cc gassers, I go with an AR7100 or AR9100 for the higher current battery connections, and make the choice depending upon the airplane's servo requirements.</div><div>
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