Round One – Policar-based Seventies F1

Any Policar 70s ready-to-run F1 model and any ARCO Designs conversion of a ready-to-run 70s’ F1 model (listed here) is allowed provided they meet the following criteria:

• Only the standard Policar slim-can 24,500rpm motor is permitted
• Only the original Policar gearing is permitted (9/ 25/16 /17)
• Plastic rear hubs can be changed for Policar Aluminium F1 hubs
• Rear track must not exceed 65mm
• Front tyres may be of a low profile and may be glazed
• Any rubber compound tyre that fits Policar F1 hubs can be used
• Ballast may be added but must be inside and securely attached
• Tyre treatments are allowed but must be dry when placed on track

Free Components

Front hubs (although they should look realistic and appropriate to the real car) and all screws, lead wire, eyelets, braid and spacers.

Round Two – NSR Classics

• Any NSR Classic (sidewinder configuration) model is allowed
• Magnet must be removed
• Body and chassis must remain standard
• White kits must be painted
• Rear view mirrors, window wipers and aerials can be removed
• No light weight interiors or body/chassis lightening allowed
• Motor must be either the Shark 20k or Shark 21.9K original equipment
• Only the standard 11t pinion is allowed
• Any size spur gear is permitted
• Either black or red motor mounts only
• Motor can be glued to the mount
• Rear tyres must be NSR super or ultra (branding must be visible on sidewall), can be glued and trued
• Fronts may be changed to low profile, can be glued, trued and glazed as required
• Hubs must be as supplied with the car when new
• Tyre treatment is allowed but must be dry when placed on track
• No suspension allowed
• Guide can be replaced with NSR’s screw top version
• Ballast can be added (must be inside the body and securely attached)

Free Components

All screws, lead wire, eyelets, braid and spacers.