BSCRA HANDBOOK 2025

PART 2 -  CAR STANDARDS FOR THE INTRO 32 CLASS

Chassis Regulations  - The 1/32 Genesis chassis is mandatory in this class

1. The edges of the chassis may be de-burred but must not result in excessive material removal and any such edge radius must not exceed 50% of the sheet material thickness.

2. Ballast may be added with adhesive to the top side of the chassis only.  The ballast must not change the flexibility or movement of the chassis.

Assembly Regulations

1. The motor shall be fixed in place with 2 screws in the original mounting holes. (Soldering the motor in is not permitted)

2. The motor mounting screws may be bonded in place.

3. The pinion gear attached to the motor shall be of the type: 11 teeth, 64d.p, 2mm bore

4. The spur gear attached to the rear axle shall be of the type: 37 teeth, 64d.p, 16 degree, 3/32” bore

5. The spur gear shall be secured on the rear axle with a grub screw.

6. Hollow axles are not permitted

7. The rear axle shall be 3/32” in diameter

8. A maximum of two plain, concentric axle bushes are permitted.  

9. The axle bushes may be soldered or  bonded  in place

10. Lead wires shall be soldered to the motor (maximum of 2 allowed)

11. Lead wire routing and attachment to the guide is free choice.

12. Front wheels shall be mounted to the body and shall conform to applicable dimensional requirements

13. Maximum overall width is 64mm (excluding body pins)

14. Maximum overall tyre width is 16mm

15. Guide washers and nuts are free choice.

16. Axle washers and spacers are free choice.

17. The spur gear must not protrude below the underside of the chassis.

18. No modifications or additions to the chassis are allowed unless specified herein.  

19. Hawk and Eagle motors must be installed so that the motor designation/stampings can be read from the underneath of the car.

Permitted Motors

One of the following motors only may be used:

JK Hawk Retro : JK Hawk 7 :  JK Hawk 7BB : Mid America Eagle part number MID 605:   JK and TSR Falcon up to and including Falcon VII / Falcon 7 (see photos on the BSCRA web site)
   

Motor Regulations

1. The armature shaft may be shortened at the can end

Note: As a guide, the end of the motor shaft, when shortened should protrude approximately 7mm from the flat mounting face of the motor can.

2. Any evidence of tampering e.g. opening, internal or external modification will deem the motor ineligible.

Clarification - the original label must remain in the standard position on the motor

3. Soldering  or bonding in the motor bearings is permitted.

Body Regulations

1. The body shall be on the BSCRA approved body list (list available on the BSCRA website, NOTE the BSP Audi R8 and R10 are not permitted)

2. Maximum body height is 32.5mm

3. Where the real car has closed wheel arches the competitor may choose to cut them out or leave them in

4. The body must be painted in at least 2 different colours. The body may be left unpainted where the front wheel arches would be on the real car.  The windscreen and windows must remain transparent as on the real car

5. Front wheel graphics shall be appropriately positioned on the body. 

6. Front wheel decals must look realistic, including a black tyre and wheel detail.

7. Front wheels shall be a minimum of 12.7mm in diameter

8. The rear bodywork may be omitted only where:

a. The original car did not have rear bodywork.

b. The wing is the rearmost part of the bodywork.

9. The body shall carry clearly legible racing numbers in a minimum of two appropriate places.

10. The body shall contain a 3 dimensional interior consisting of a driver figure with hands, arms, shoulders and head and at least 30% of the top half of the steering wheel

11. No part of the motor, chassis, gears or tyres shall be visible when viewed from above or through the windscreen or windows

12. The body must be secured to the chassis using pins in the standard pin tubes. The body may also be attached with adhesive tape

13. Self-adhesive plastic or fabric tape may be used prevent the chassis shorting the track tape or track braid

14. Any tape added to the chassis or body, must not restrict chassis movement

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