Losi 22S Dirt Late Model Rules
v1Summary of recent changes
Published.
Spec sheet
- Notes
- Max 5200mAh 50C hard-case, 8.44V max, no shorty, no bullets; stock gearing 84T/20T; no added weight/brass; no gyro; stock shock bodies, Losi/Customworks/GFRP springs ok
- Motor type
- Stock / sealed
- Spec motor
- Firma 3650 3300KV (SPMXSM4800), box stock
- ESC
- Firma 45A brushless (SPMX-1106)
- Max voltage
- 8.44V
- Hard case
- Required
- Spec tire
- Losi Hoosier LOS-4247/4237/4642/4641
- Tire additive
- Allowed
- Body
- Factory bodies + wing (clear body ok), stock clipless mounting
- Chassis
- Losi Dirt Late Model, stock (no carbon chassis, no TLR Tuned parts)
1.Body & Wing
Only factory bodies and wing allowed; the optional clear body is allowed. Bodies must remain stock with stock clipless mounting. The driver figure and cockpit must remain stock. Rear spoiler cannot be altered/modified.
2.Chassis
No alterations to the chassis (battery and electronics in stock locations). All suspension components stock — no modifications to stock parts. All parts used as originally intended (carbon chassis not allowed). No cutting/lightening/modifying components. No additional weight, no brass. TLR Tuned parts not allowed.
3.Shocks
Factory shock bodies, caps and shafts only. You may change shock oil and shock springs (Losi, Customworks, and GFRP springs allowed). Internal limiters and external bump stops allowed.
4.Battery
Maximum 5200mAh 50C hard-case battery, 8.44V max (Mudboss battery). No shorty batteries. Connectors must be on the battery — no bullet-type batteries.
5.Radio
Stock or aftermarket radio allowed. No gyro or steering assist.
6.Motor / ESC
Box-stock motor and ESC only. ESC: Firma 45A Brushless (SPMX-1106). Motor: Firma 3650 3300KV brushless (SPMXSM4800). Stock gearing only (84T/20T).
7.Servo
Stock Spektrum S684 metal-gear servo or any aftermarket servo. Servo saver or single servo horn (plastic or aluminum) allowed.
8.Tires
Losi Hoosier: LOS-4247 (Soft, black mounted KIT), LOS-4237 (Medium, black mounted), LOS-4642 (Medium, satin aluminum mounted), LOS-4641 (Soft, satin aluminum mounted). No sanding or altering stock tires; tire must have tread. Tire sauce allowed.