GROUP 20 SPECIFICATIONS
Entry Fee - $30.00
Race Duration -
-Qualifying
2 minutes/bye round with 30 second penalty
-Consie
2 minute brackets/ 2 minute lane change
-Heats
2 minute brackets/ 2 minute lane change
-Quarter Final 2 minute brackets/ 2 minute lane
change
-Semi
2 minute brackets/ 2 minute lane change
-Final
3 minute brackets/ 3 minute lane change
Body -
Any winged body. See general specifications - bodies.
Interiors MUST be used
Chassis
- Any
Rear Axle -
-Any-oi1ite type bushings only
Gears
-Any
Motor –
-Any Mura, Champion (Force or Xterminator) or RJR full size
"C" can.
-Any Endbell and hardware may be used.
-Endbell hardware screws and endbell to can mounting- screws may be added and/or
substituted.
-Can may not be modified except for the following
-Notching for axle clearance.
-Removal of plating and/or paint to facilitate soldering
-Oilite hole may be centered.
-A small hole (max 2mm) may be drilled in each side of the can to aid in gluing magnets.
-Oilite type bushings only. May be soldered and/or glued in place.
-Any full can height, ceramic magnets may be used.
-Magnets may be shimmed, glued, radiused and polished.
-Any brushes and springs may be used.
-Shunt wire and spring insulation may be used.
-Any tagged "Group 20" armature with a minimum stack length of 0.440" and a
minimum 38 series wound turns of 27 gauge, (AWG) wire may be used.
-Minimum armature diameter 0.512".
-Armature spacers may be used.
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