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Old 03-28-2011, 05:04 PM
  #8  
cliffh
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Join Date: Aug 2007
Location: Gustavus, Ohio
Posts: 686
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One more "one more thing"

The esc operates as a "high speed switch" if you will. It requlates the motor speed by turning on and off very quickly (at very precise times)....several thousand times a second. The longer the "on" times are, the faster you motor spins and the more power it consumes......BUT, it is always either ON or OFF.

What that means really to you is that if your motor draws a MAXIMUM of say 50 amps, then EVERY time it is switched on it draws 50 amps. Reducing your throttle will reduce the AVERAGE power used and slow things down, but the esc will see FULL power during every "on" period.

Your esc must be rated higher than your MAXIMUM amp draw for your setup.

You can make adjustments with your propeller size and pitch to adjust maximum amp draw.

Cliff
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