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World GT-R (On-Road) · RC LINK

The Thunderdome rules

World GT-R (On-Road)

v1

Class RulesWorld GT-REffective Sep 5, 2025· Updated 1 month ago

Summary of recent changes

Official ThunderDome rulebook (rev 2025-09-05). Discipline: On-Road.

Spec sheet

Governing

Governing body: ROAR
Notes: 200mm max width; WB 254-267mm; 5mm min ride height

Motor & ESC

Motor type: Spec brushless
Motor turn: 17.5T
Spec motor: Any ROAR-legal 17.5
ESC: Blinky / zero-timing
Blinky mode: zero_blinky

Battery & power

Battery chemistry: LiPo
Cells: 1S
Max voltage: 4.20V
Hard case: Required

Tires

Spec tire: Rubber (CRC #2314 / eXcelerate XCE-3077)
Tire additive

1.Chassis Spec

1/10th scale 200mm pan car chassis (WGT Car).

2.Weight Spec

Minimum 1025g in race-ready trim.

3.ESC

Any ESC that is ROAR approved and running in ROAR approved "Blinky" spec software.

4.Battery Spec

ROAR approved 1 cell Lipo hard cased. MAX temp 90F at tech table. 4.20 MAX VOLTAGE.

5.Tire and Wheel Spec

Rubber tires / CRC #2314 / eXcelerate XCE-3077. Sidewall glueing allowed.

Spec sauce only

Weight & body

Min weight: 1025 g
Body: World GT-R approved 190mm or 200mm

Chassis & Suspension

Chassis: 1/10 200mm pan car (WGT)

6.Motor Spec

Any ROAR legal 17.5.

7.Body Spec

Any World GT-R approved body 190mm or 200mm.

8.Ride Height Spec

5mm minimum.

9.Width Spec

200mm max width.

10.Wheelbase Spec

Minimum 254mm / maximum 267mm.

11.Race Spec

5 minute qualifiers / 5 minute mains.

12.Tire Sauce

SXT Black ONLY.