Jacksonville RC Speedway rules
13.5 Sprint Rules
v1Class Rules13.5 SprintEffective Jan 1, 2026· Updated 3 months ago
Summary of recent changes
2026 class rules.
Spec sheet
Governing
- Notes
- No tuned motors, out of box. Any ROAR-approved 7.6V LiPo. 840 max voltage. Gearbox trans.
Motor & ESC
- Motor type
- Spec brushless
- Motor turn
- 13.5T
- Spec motor
- Justock 60A combo
- ESC
- 60A combo
Battery & power
- Battery chemistry
- LiPo
- Cells
- 2S
- Max voltage
- 8.40V
- Hard case
- Required
Tires
- Spec tire
- Quasi Speed only
Weight & body
- Body
- Sprint: 7x7 or 6x6 wing; Late Model body must comply with Chili Bowl rules
1.Wing / body
Sprint: 7x7 or 6x6 wing. Late Model body must comply with Chili Bowl rules.
2.Motor
13.5 Justock combo 60A only — no tuned motors. Out of the box and in the car is the only legal option.
3.Battery & voltage
Any ROAR-approved 7.6V LiPo, hard case only. 840 is the max voltage allowed in our spec classes. Gearbox trans.
4.Tires
Quasi Speed only.