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Ohio Challenge Cup Rules
GENERAL RULES

Section 1

General Rules- How OCC Events Are Run

Section 2

General Technical Rules 2008-2009

Class Specific Rules

GT-1

LMP Group 10

GTP
GTP
1.0 Purpose: OCC GTP is a Class designed to provide racers with challenging, fast builder s Class, using a variety of motors. Bodies are high-downforce. The racer must choose the best alternative motor (between C-Can "Contender" and Super 16D) for any given track. Chassis`s are the same as the other OCC Classes, so skills learned in GT-1, and LMP carry over to GTP.
2.0 General Rules apply.
3.0 Gearing: Must run 48 or 64 Pitch Gears(No 72 or 80 Pitch Gears), 3/32 or 1/8 axles, NO hollow axles.
4.0 Controllers: any
5.0 Body:
  • 5.1 May run any body from approved list.
  • 5.2 Painting and decoration: See General Technical Rules.
  • 5.3 Coupe (enclosed) bodies must have full interior- such as Parma GTP interior; NO card stock interiors, or paper drivers are permitted. Driver figures must be painted, and detailed using markers or paint.
  • 5.4 Open bodies with molded-in driver figures must have driver detailed, using paint, or marker. Open bodies with no molded in driver must have a driver and interior such as Parma 808, painted and detailed, added. Interior/driver must block view of chassis.
  • 5.5 Must retain a min. 1mm. (.039") "vertical" front bumper.
  • 5.6 Rear of body may be fully cut out.
  • 5.7 Max. rear wing height 1-5/8" from tech block.
  • 5.8 Approved Bodies- OCC GTP Class; any approved OCC GT-1 OR LMP body, Updated as new bodies are released suitable for Class PLUS:
    • Parma
      • Magnum WSC 70505
      • Intrepid 1103
      • Intrepid SS 70506
      • R8R SS WSC 70512
      • Lola SS 70514 Storm 70516
      • Ultimate Intrepid 70519
      • Courage WSC 70522
      • R&S WSC 70523
      • Cadillac/ HD 70525, 70526
    • JK Products
      • Ult. Peugeot Coupe 7014
      • Ult. Peugeot Open 7070
      • Ult. Peugeot Open 70701
      • Outisite
        • Ultimate BMW OS 065U
        • Bentlee OS 068 Bentlee HS
        • OS 069 Mercedes OS 066
        • Cadillac OS 067 Ultimate 333 OS 062U
        • Ultimate BMW OS-300 Ultimate BMW OS-301
        • Audi OS-342
6.0 GTP Motor Rules:
  • 6.1 GTP cars may run either "Group 11" ("Contender") C-Can or Super 16D motors. (See 6.15 and 6.16 for specific Rules for each of the two allowed motor types.)
  • 6.2 Motors must use a full can (no strap cans) and may have the following cutouts only: Hole top and bottom, axle notches on front and/or back.
  • 6.3 May not modify can except to solder in bushings and straighten to original (USRA) specs.
  • 6.4 Can bushing: hole may be opened for alignment purposes, and bushing soldered in place. Bushing may not be reversed.
  • 6.5 May use any adhesive to bond magnets to can.
  • 6.6 May hone motor magnets.
  • 6.7 May remove magnet clips.
  • 6.8 Any 3 coil replacement springs and any brushes may be used; aluminum or brass spring cups may be used as replacements
  • 6.9 NO spring insulation, shunts, or heat sinks allowed.
  • 6.10 Armatures may be balanced and commutators may be trued.
  • 6.11 May die armatures.
  • 6.12 May use any brush hoods, but may not modify brush hoods, except to solder hoods to hood plates.
  • 6.13 May add Mura end-bell hardware to any motor.
  • 6.14 Super 16D motors:
  • 6.15.1 Approved: Any Comercially Availble RTR S16D motors:
    • 6.15.2 S16D Armatures: Any tagged S16D armature, or "Chinese" S16D armature.
    • 6.15.3 If tags are lost, or un-readable by the Tech Inspector, the motor may not be raced.
    • 6.15.4 Setups: are identical to OCC LMP.
  • 6.16 C-Can Contender Arms must be Tagged:
      • SP
      • CONT
      • CH
      • COMP
      • CTR
      • COM
    • 6.16.1 C-can Armatures Dimensions: min. .513 diameter X .440 stack length. 55 Turns of 30 Gauge wire (.0099- .0101" diameter excl. insulating varnish)
    • 6.16.2 C-Can Setups: A "setup" is defined as a motor, less the armature, including: can, magnets, endbell, oilite bushings, and brush hoods.
    • 6.16.3 Approved C-Can setups: Only OCC-approved C-Can setup may be used. Inside can dimensions: minimum .925" L. X .835" W. X .560" H
    • 6.16.4 Magnets must be single, one-piece ceramic C-Can magnets per specification in USRA Rulebook-. .500L. X .150W. X.550H, plus/minus 10%.
    • 6.16.5 No quad or multiple-piece magnets.
    • 6.16.6 May use any adhesive to bond magnets.
    • 6.16.7 May remove magnet clips.
    • 6.16.8 May hone C-Can motor magnets.
    • 6.16.9 Any 3-coil replacement springs and any brushes may be used; aluminum or brass spring cups may be used as replacements
    • 6.16.10 NO spring insulation, shunts, or heat sinks allowed.