Brushed/Brushless motors, speed controls, gear drives Discuss all aspects of brushless motors, brushed motors, speed controls (ESC's), gear drives and propellers in this forum.

ESC Wire Extension

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Old 04-08-2017, 12:40 PM
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nurseguy
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Default ESC Wire Extension

Is it OK to extend the wires on an ESC on the motor side and /or the battery side?
Steve
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Old 04-08-2017, 07:23 PM
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aymodeler
 
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Extending the ESC to motor wires is the safest bet. If you need to extend the battery side, you need to add capacitors to smooth out voltage ripple that will likely damage the ESC.
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Old 04-11-2017, 11:24 AM
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I have a "short" extension 1 1/2" inch, on the battery side on one plane. It is a small plane and has been flying for years. I do not think I am pulling a ton of power through it. It has worked for me, but your mileage may vary.

Buzz.
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Old 04-26-2017, 08:08 AM
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Extend motor wires, and keep the battery wires short. Keep controller(s) close to battery(s):
Too long battery wires can kill ESC over time: precautions, solutions & workarounds - RCG

Contents
  • Solution I & II, rules of thumb
  • Problem
  • Capacitor type & polarity (orientation!)
  • How & where (not) to add extra capacitors
  • DIY capacitor pack pictures
  • Capacitor & pack suppliers
  • Expert/manufacturer opinions, they all say the same ... & their rules of thumb.
  • Explanation, water hammer/knock analogy, theory, references, measurements
Vriendelijke groeten Ron
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