Mudelismifoorum

Simplest solution: 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

• Solutions I & II, rules of thumb
  Problem
  Capacitor type & polarity (orientation!)
  How, where and where not to add extra capacitors
  do-it-yourself 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