10 PR REPRODUCTION COMMUTATOR BRUSH SPRINGS FITS X-TRACTION , 4 GEAR & AFX

$4.21 $7.03

  • Product Code: CUSTOM REPRODUCTION
  • Availability: 105
  • Price in reward points: 4633
  • 1000 Units in Stock
  • Type:X-TRACTION REPLACEMENT PARTS
  • CHASSIS TYPE:X-TRACTION & 4 GEAR & AURORA AFX
  • Brand:CUSTOM REPRODUCTION
  • Country/Region of Manufacture:United States
  • Refund will be given as:Money back or replacement (buyer's choice)
  • All returns accepted:Returns Accepted
  • Item must be returned within:30 Days
  • Return shipping will be paid by:Buyer
  • Year:2012
  • Restocking Fee:No
  • Condition:New

Tags: X-TRACTION REPLACEMENT PARTS

YOU ARE PURCHASING
10 PAIR
OF REPRODUCTION  MOTOR BRUSH SPRINGS THAT ARE DESIGNED TO FIT YOUR ORIGINAL AURORA AFX MAGNA-TRACTION H.O. SCALE SLOT CARS.  THESE BRUSH SPRINGS WILL ALSO FIT YOUR AUTO WORLD X-TRACTION , X-TRACTION ULTRA G OR JOHNNY LIGHTNING X-TRACTION CHASSIS.
Here is some basic information on the comm springs:
Our measurements show original Aurora spring wire size is .005" (material unknown). There are 3 or 3.5 coils per spring at an uncompressed height of .054".
The new comm springs are made here in the USA from .0064" beryllium copper.  The larger wire should have less electrical resistance and be a bit more sturdy than original Aurora, while not increasing friction or binding.  There are 3.5 coils per spring at an uncompressed spring height of .054".  These springs will also work in all JL and AW X-Traction type chassis.  They are excellent replacements for the larger, stronger comm springs found in some recent AW cars.
Our observations have shown some recent Auto World comm springs are larger, using .008" wire (material unknown) and an uncompressed height of .0065". These larger springs can tend to cause excessive heat and friction/binding when used in original Aurora chassis.
Magna-Traction Comm Spring:
Wire Dia: .0064
Total Coils: 3.5
Diameter: .111
Free Length: .052
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