All classes limited to one (1) motor in car.

C-CAN TYPE MOTOR:

3:1 CAN: Any c-can currently available to the general public. Any cutting, welding or machine work prohibited. May enlarge brushing hole. Can straightening permitted. Maximum outside dimensions:
Length: 0.985 in.
Width: 0.915 in.
Height: 0.635 in.

3:2 END BELL: Any commercially available end bell legal. Any cutting or machine work is prohibited. Must have minimum of two (2) screws securing end bell to can May drill one (1) hole in end bell for comm drops only.

3:3 MAGNETS: Must be ceramic type magnets currently available to the general public. May not contain rare earth materials defined as elements with atomic weights 58-71. Gluing and shimming of magnets allowed. Magnets may be honed. Magnet clips optional.

Magnet dimensions plus or minus 10%
Length: 0.500 in. (12.70 mm)
Width: 0.150 in. (3.81 mm)
Height: 0.550 in. (13.97mm)

3:4 BRUSHES/SPRINGS: Any type of brushes may be used. Any springs may be used. Shunt wires permitted.

3:5 BEARINGS/BUSHINGS: Ball bearings allowed in classes that permit them. Bearings, and bushings may be expoxied or soldered in place.

3:6 ARMATURES: Must be currently available to the general public.

Must meet the following specifications:

Group 20: 38 turns of 27 gauge wire which excluding insulation is 0.141 in or 0.358mm maximum diameter.

Group12: 50 turns of 29 gauge wire which excluding insulation is 0.0112 in. or 0.2845mm maximum diameter.

Must be machine wound. Armature stack length cannot be less than 0.440 in. with the exception of Group 12 which cannot be less than 0.350 in. C-can armatures must have a diameter of .513 plus or minus .003. All armatures must be clearly tagged. Armatures can be dyed. Any type of spacers may be used to limit end play.

If there is any area of these rules which needs clarification, please contact Club (.400) Technical Director by e-mail at tech@club400.8m.com.