Jun 24 2008, 05:43 PM, updated 18y ago
Welcome to the Tamiya Mini 4wd thread v3. Where we have our tech talk and discussion about Mini 4wd.
Mini 4WD Open Class Race Regulations
【 A 】 General Guidelines
1) Age Restrictions
None
2) Authorized Vehicles
All chassis except Wild Mini 4WD and Comical Mini 4WD
3) Authorized Bodies
Any Mini 4WD body (including R/C Mini 4WD)
4) Authorized Motors
Rev-Tuned Motor, Torque-Tuned Motor, Atomic-Tuned Motor, Normal Motor, Hyper Dash 2 Motor, Power Dash Motor, Sprint Dash Motor
5) Other
Tire diameter sizes may vary according to the different classes. (For example, tire diameter must be smaller than 26mm for the Small Diameter Tire Class).
【 B 】 Car Regulations
All participating cars must be 4-wheel drive. Cars modified to be rear wheel drive or front wheel drive are prohibited. All participating cars must have a body, either painted or with stickers applied, securely mounted on the chassis. Homemade bodies are prohibited. All cars must go through car inspection, and cars that fail to comply with the inspection warnings will not be allowed to race.
【 C 】 Car Measuring System
All chassis will be subject to the same measuring system as shown below.
* Maximum Car Width: Under 105mm
* Maximum Car Height: Under 70mm
* Maximum Car Length: Under 165mm
* Minimum Ground Clearance: At least 1mm
* Minimum Car Weight (including batteries and motor): At least 90g
* Front and Rear Tires: Diameter: 22-35mm, Width: 8-26mm (Note that tires must be attached.)
* Rollers: Maximum of 6 installations total (double rollers count as 1 installation, stabilizer poles do not count at all)
【 D 】 Motor Regulations
Motor modifications are absolutely not allowed. If any traces of modification such as removal of motor end caps are found, the racer will not be allowed to participate in the race. Depending on the event, other Tamiya-produced motors may be accepted. Use of motor tune-up sprays is prohibited.
【 E 】 Battery Regulations
2 R6/AA/UM3 batteries of either manganese, alkaline, or nickel-cadmium types that are readily available on the market can be used. If the battery appears to be damaged in any way, they will not be accepted for safety reasons. Please note that some events do have more specific limitations on which types of batteries can be used.
【 F 】 Modification Regulations
Please follow the guidelines below when modifying your car. Also note that for modifications not listed, race officials will have the final absolute authority to grant or deny their use.
1. Chassis modifications are limited to cutting away plastic material or cutting holes out of the stock chassis. Homemade chassis and homemade parts are prohibited.
2. Parts used for modification are limited to Tamiya Mini 4WD, R/C Mini 4WD, and Dangun Racer parts only.
3. Part modifications are limited to cutting away plastic material or making holes in the stock part.
4. Gear modifications are limited to making holes or shaving away material to reduce weight and installing ball bearings. All running gears must be installed according to the set gear ratios.
5. Only kit-included battery terminals or Grade-Up Part battery terminals, installed according to the instruction manuals, may be used. Soldering or double-plated terminals are prohibited.
6. Modifications that cause physical harm to the track, cause injury to any person, or release grease and/or other substances onto the track are all prohibited.
7. Modifications to the tire’s shape are allowed if they comply with the Car Measuring System outlined above. However, changing the material properties of the tire surface (including, but not limited to, applying glue or other substances to the tire surface) are prohibited.
Mini 4WD PRO Class Race Regulations
【 A 】 General Guidelines
1) Classes
Junior Class (15 years old and under)
Expert Class (16 years old and over)
2) Authorized Vehicles
Any MS Chassis car
3) Authorized Bodies
Any Mini 4WD body
【 B 】 Car Regulations
All participating cars must be 4-wheel drive. Cars modified to be rear wheel drive or front wheel drive are prohibited. All participating cars must have a body, either painted or with stickers applied, securely mounted on the chassis. Homemade bodies are prohibited. All cars must go through car inspection, and cars that fail to comply with the inspection warnings will not be allowed to race.
【 C 】 Car Measuring System
All chassis will be subject to the same measuring system as shown below.
* Maximum Car Width: Under 105mm
* Maximum Car Height: Under 70mm
* Maximum Car Length: Under 165mm
* Minimum Ground Clearance: At least 1mm
* Minimum Car Weight (including batteries and motor): At least 90g
* Front and Rear Tires: Diameter: 22-35mm, Width: 8-26mm (Note that tires must be attached.)
* Rollers: Maximum of 6 installations total (double rollers count as 1 installation, stabilizer poles do not count at all)
【 D 】 Motor Regulations
Only the kit-included double-shaft motor, Torque-Tuned Motor PRO, Rev-Tuned Motor PRO, and Atomic-Tuned Motor PRO can be used. Motor modifications are absolutely not allowed. If any traces of modification such as removal of motor end caps are found, the racer will not be allowed to participate in the race. Depending on the event, other Tamiya-produced motors may be accepted. Use of motor tune-up sprays is prohibited.
【 E 】 Battery Regulations
2 R6/AA/UM3 batteries of either manganese, alkaline, or nickel-cadmium types that are readily available on the market can be used. If the battery appears to be damaged in any way, they will not be accepted for safety reasons. Please note that some events do have more specific limitations on which types of batteries can be used.
【 F 】 Modification Regulations
Please follow the guidelines below when modifying your car. Also note that for modifications not listed, race officials will have the final absolute authority to grant or deny their use.
1. Chassis modifications are limited to cutting away plastic material or cutting holes out of the stock chassis. Homemade chassis and homemade parts are prohibited.
2. Parts used for modification are limited to Tamiya Mini 4WD, R/C Mini 4WD, and Dangun Racer parts only.
3. Part modifications are limited to cutting away plastic material or making holes in the stock part.
4. Gear modifications are limited to making holes or shaving away material to reduce weight and installing ball bearings. All running gears must be installed according to the set gear ratios.
5. Only kit-included battery terminals or Grade-Up Part battery terminals, installed according to the instruction manuals, may be used. Soldering or double-plated terminals are prohibited.
6. Modifications that cause physical harm to the track, cause injury to any person, or release grease and/or other substances onto the track are all prohibited.
7. Modifications to the tire’s shape are allowed if they comply with the Car Measuring System outlined above. However, changing the material properties of the tire surface (including, but not limited to, applying glue or other substances to the tire surface) are prohibited.
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This post has been edited by jhcj: Jul 8 2008, 09:37 AM
Hobbies Tamiya Mini 4wd V4, lets and go!
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