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Slo-V Flyer -> RE: Falcon 40 (Exceed heli) Forum (12/1/2006 7:26 AM)
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Those motors might be fine. I think you'll need something in the 3000kv range. don't forget you'll need your own seperate 4ch (minimum) radio, receiver, Gyro, and sufficient amp-capable brushless ESC too, since the stock 4-in-1 is not designed for aftermarket stuff. You can reuse the stock servos of course. And if you're gonna use a lipo battery, get one that can handle the amp draw. And I'll recommend you get some sort of amp meter, like the Watts Up or Watt Meter, or Power Meter (E-Flite), so you can correctly see the amp draw of the particular motor before frying your new lipos (or ruin your motor from over gearing and heat for that matter). There are too many combos out there to tell you what you should expect from such and such motor (though I'm sure others can recommend some power systems better than I can). I believe using my Power Meter, I read an amp draw of 4-5 amps at WOT using the stock 7-cell Nimh battery and brushed motor. Came out to about ~40 watts of power. A good brushless motor may get away with lower amps and watts with a 2-cell lipo since it is more efficient at using the same amount of power. Of course more power doesnt hurt (unless you "Oops" the throttle and turn your heli into a rocket......guilty) [:D] Perhaps the Thunder Power 720 or 910 mah 3-cell lipos (9 amps and 14 amps current rating respectively), an 8 amp ESC and whichever motor that gives you about ~3000kv or less and can handle about 5-10 amps (overkill with everything to be safe). Someone else can correct me and suggest better choices. [8D]
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