These regulations apply to the following classes:

21.5 Challenger (formerly Sportsman)
21.5 Blinky
13.5 Blinky
Open Modified

Chassis

Any four-wheel drive chassis is allowed. Chassis must have independent suspension on all four wheels. Each driven wheel must have a flexible joint, eg: dog bone/s or universal joint/s in its driveshaft. Drive train and suspension design is free from restriction. Flat Pan (1/12th and 1/10th Track Style) chassis are not allowed. The Chassis must not be shaped to gain an aerodynamic advantage. In principle the underside of the chassis must be flat and parallel to the ground along the entire length of the body-shell. Aerodynamic shaped parts (splitters/diffusers/tunnels/etc) may not be fitted to the chassis.

Motor

Any ROAR or BRCA approved motor. Stator, Stock Motor: Only three slot “Y” wound stators are permitted. No delta wound or slot less stators are allowed. Only circular (round) pure copper magnet wire permitted. The three slotted stator must be wound with the respective turns as per the class with 2 strands of a maximum diameter of 0.0724 mm per slot.

ESC

Any Speed Controllers as per ROAR BRCA list. Speed controllers eligible for "Blinky" classes must indicate a blinking LED while the ESC is armed and in neutral position. Modified class has no restrictions to "boost" and "turbo"

Body Shell

Any 4 door sedan style bodies are allowed that are currently on the IFMAR, EFRA or ROAR body listings, and fit within the GLOBAL BODY SPECIFICATIONS for electric touring cars.

Tyres

Rubber tyres only (24mm)

Hop Ups

Any hop up available from any manufacturer.

Batteries

Any 2 cell Hard-cased approved 7.4 Lipo packs as listed on the ROAR or EFRA websites.

Gearing

Gearing is unrestricted.

Weight

Minimum 1320 grams ready to run including transponder.

Setup Sheets

Team Powers Radon V4 ESC (coming soon)
MTS T3M 21
X4 (coming soon)

GRCR Racing Classes

Touring Cars