BDC motor has 8 brushes -- Why?

  • Thread starter Thread starter Ed Walti
  • Start date Start date
  • Tags Tags
    Motor
Join the discussion
Registration is free. Ask a follow-up in this thread, or start your own.
2 replies · 1K views
Ed Walti
Messages
4
Reaction score
0
I've got this large dc 36v 65 amp motor and is has 8 brushes. Can someone please educate me why it would have this many?
 
Engineering news on Phys.org
Gives 8 amps per brush.

How're they arranged ? four sets of two like below ?
How big are they ?
https://commons.wikimedia.org/wiki/File:Commutator-of-DC-traction-motor-01.jpg
450px-Commutator-of-DC-traction-motor-01.jpg