17.5T GT Rules

Chassis

1/10th Scale Four-wheel drive 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, EFRA, BRCA Approved 17.5T Brushless Motor ( Timing or No Timing ) 

ESC

Speed Controllers as per ROAR BRCA list. Speed controllers eligible for Stock classes must provide zero timing advance, along with disabling advanced motor control functions (i.e. Boost, Cheat Mode, Turbo, etc). When the “0 Boost” profile is enabled, it shall be indicated by a blinking LED while the ESC is armed and in neutral position.

Body Shell

2 Door GT Style Bodies ONLY – 190mm

Any 190mm GT1, 2 and 3 body style. CAN-AM, LMP1, LMP2 (Prototype) or IMSA style bodies, similar to 1/12th, 1/10th pan or 1/8th bodies using an integrated wing are ILLEGAL. Example: Porsche 962 style bodies or LeMans LMP1 and LMP2 style.

No fantasy or concept vehicles. If it’s not a car brand used in GT, it’s not legal.

Eligibility of new shells will be at the discretion of the race director and rules committee. Current shells available in the market are currently allowed.

Tyres

Rubber tyres only (24mm)

Hop Ups

Any Hop Ups that are available from the Manufacturer

Batteries

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

Gearing

Gearing is not restricted.

Weight

Minimum 1320 grams ready to run including transponder.