Prop Pitch brush noise

[John Swiniarski]

     Hello all,
     
     What tricks are in use to eliminate the noise caused by arcing 
     prop pitch brushes? I been told using .5 mF coaxial capacitors at 
     the motor will help but can't seem to find any.  Any suggestions?
     
     Thanks,
     
     John K1OR
     
     swinarj@macom.com


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