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Automodex RC Challenge
Race Rules and Regulations

General Rules Applying to All Vehicles
1. Any manufacturer’s electronic speed control, radio equipment, servo, servo saver, antenna, antenna mount, pinion and spur gears, ball bearing, tire inserts, motor fan, motor heatsink are allowed in all classes.
2. 2.4 GHz, 27 MHz or 75 MHz radio system must be used. A minimum of 2 frequencies is required when using 27 MHz and 75 MHz radios.
3. ROAR approved NiCd, NiMh or LiPo batteries should be used.
4. When using LiPo, a hard casing is compulsory
5. Any motor connector or direct hard wiring to the motor is allowed.
6. Any battery connector or direct hard wiring to the battery is allowed.
7. The use of any manufacturer’s cooling fan is allowed.
8. If a driver finds a loophole within the rules, the exploitation will be deemed illegal at the discretion of the race committee.
9. All racers are required to marshall the race after their race, or by a register preset and announced at drivers briefing.
10. A drivers briefing will be held each day, and all drivers need to attend, failure to attend will result in a disqualification.

Mini-Class
1. Any 1:10th scale 2WD Mini-sized chassis car that uses the 60D size tire size or smaller.
2. Chassis must be built as per instruction manual, RTR cars are allowed.
3. No chassis lightening or alterations to the chassis allowed.
4. Any mini-sized body shell allowed.
5. Any manufacturer’s 60D tires and wheels allowed.
6. Tire inserts allowed.
7. Stuffing tires with inserts to create a “ballooned” tire is not legal. Tire diameter limit will be limited to 60mm.
8. Ball bearings allowed.
9. Stock Silvercan motors only.
10. The use of maximum pinion gear size is allowed.
11. Speed gearset available for certain cars is not allowed. I.E. 3racing speed gearset for M03.
12. Any plastic or aluminium hop-up damper may be used.
13. 7.4 volt Lipo cells may be used. All Lipo cells must be in a hard case.
14. All M-chassis cars should meet a minimum weight of 1250 grams.


GT- Stock
1. Any 1:10th scale 4WD chassis kits.
2. Chassis must be built as per instruction manual, RTR cars are allowed.
3. Any manufacturer’s Chassis hop-ups allowed.
4. Any 190mm bodyshell allowed.
5. 1:10 scale rubber tires are allowed, no foam tires.
6. Tire inserts allowed.
7. Ball bearings allowed.
8. 23Turn Brushed or 13T Brushless motor should be used in this class.
9. A Final Drive ratio of 6.00 is preferred.
10. Any plastic or aluminium hop-up damper may be used.
11. Max 7.4V battery spec. All Lipo cells must be in a hard case.
12. All GT cars should meet a minimum weight of 1450 grams.

GT- Modified
1. Any 1:10th scale 4WD chassis kits.
2. Chassis must be built as per instruction manual, RTR cars are allowed.
3. Any manufacturer’s Chassis hop-ups allowed.
4. Any 190mm bodyshell allowed.
5. Any manufacturer’s 24mm tires and wheels allowed.
6. Tire inserts allowed.
7. Ball bearings allowed.
8. No motor Limit for this class.
9. The use of maximum pinion gear size is allowed.
10. Any plastic or aluminium hop-up damper may be used.
11. Any short or regular size hop-up spring may be used.
12. 7.4 volt Lipo cells may be used. All Lipo cells must be in a hard case.
13. Drilling extra vent holes to the wheels is not allowed.
14. All GT cars should meet a minimum weight of 1450 grams.


GT- Nitro
1. Any 1:10th scale 4WD chassis.
2. Chassis must be built as per instruction manual, RTR cars are allowed.
3. No chassis lightening or alterations to the chassis allowed.
4. 0.12 Motor should be used.
5. Any 200mm bodyshell allowed.
6. Any manufacturer’s foam or rubber tires allowed.

EP Drifting
1. Any 1:10th scale 4wd chassis are permitted. R.T.R. chassis is allowed.
2. Any manufacturer’s hop-ups allowed.
3. Any manufacturer’s Drift tires allowed.
4. Any manufacturer’s 190mm bodyshell allowed.
5. Any manufacturer’s brushed or brushless motor allowed.
6. Any manufacturer’s Ni-cd,Ni-mh or hardcase Lipo battery allowed.
7. Any combinations of gearing allowed.
8. Any manufacturer’s D-Box or Gyro is not permitted.


Race Format for Electric and Nitro On-road
1. There must be at least 10 participants for each touring class and 8 for drifting classes to be run.
2. All race durations are class dependent
• Mini Heats – 4min; Mini Finals – 4min
• GT Heats – 4min; GT Finals – 5min
• Nitro Heats- 5min; Nitro Finals – 5min
3. There will be 3 qualifying heats to determine the Main set-up order.
4. All mains will be heads up starts.