【 1 】Machines

1. Usable Machine Types

Only Mini 4WD REV, Mini 4WD PRO, Racing Mini 4WD, Super Mini 4WD, Fully-Cowled Mini 4WD, Aero Mini 4WD, Mighty Mini 4WD, R/C Mini 4WD, and Truckin' Mini 4WD machines are permitted. Further restrictions on machine types may be possible depending on the race event or race class.

2. Machine Assembly

All machines must be four-wheel drive. Modifications that result in rear-wheel or front-wheel drive are prohibited. Bodies should have stickers applied or be painted, and must be securely attached to the chassis. Home-made bodies are prohibited. All machines must go through car inspection and machines that do not pass inspectioin cannot participate in the race.

3. Machine Measuring System

All machines will be subject to the same measuring system as shown below.


Maximum Car Width: Under 105mm
Overall Car Height: Under 70mm
Overall 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 and mass dampers do not count at all)
Mass Dampers: Mass damper may not extend from the sides beyond the line formed by the guide roller poles.
Parts that combine a guide roller with a mass damper will count as 1 roller installation. ※Effective January 2009


※The shaded region indicates the area in which non-roller mass dampers must fit within.

4. Motor

Machines may use the kit-included normal motor, Rev-Tuned Motor, Torque-Tuned Motor, Atomic-Tuned Motor, Sprint-Dash Motor, Power-Dash Motor, Hyper-Dash 2 Motor, or Hyper Mini Motor. Mini 4WD PRO machines may only use the kit-included normal motor or motors designed for use with the Mini 4WD PRO series.
Depending on the race event, other Tamiya motors may be permitted.
For speed-limited race events or classes, if your speed exceeds the allowed limit, even the above motors may not be installed.
Disassembling the motor to change the number of coils and other such illegal modifications are prohibited.
If there are indications that the motor cap has been detached, it will be judged as being illegally modified.

5. Batteries 　　※Revised in January 2011.

Only Tamiya-branded R6/AA/UM3 batteries are permitted. If the battery appears to be damaged in any way, they will not be accepted for safety reasons. Please note that some events may have different rules regarding which types or brands of batteries can be used.

6. Modifications

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.

Chassis modifications are limited to cutting away plastic material or cutting holes out of the stock chassis. Homemade chassis and homemade parts are prohibited.
Parts used for modification are limited to Tamiya Mini 4WD, R/C Mini 4WD, and Dangun Racer parts only.
Part modifications are limited to cutting away plastic material or making holes in the stock part.
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.
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.
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.
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.

【 2 】 Race Courses

For courses which satisfy the below specifications and are sanctioned by Tamiya, times recorded during races will be officially recognized. All times recorded on original courses that do not meet these requirements will be considered unofficial.

Individual Lane Width: 115mm (measured on a straight section)
Course Wall Height: 50mm (measured from road surface)
Adjusting the height and lane width of lane change sections, bank turn sections, etc. for smoother racing operations is permitted.

【 3 】 For Competitions at Official Race Courses
The start of the race will be indicated by a signal from a Tamiya race official or a starting signal system. Racers will switch on their cars, hold them in the air with one hand, and drop them vertically into their assigned lane at the start signal. Throwing or pushing the car forward is prohibited.
A racer will immediately retire from a race if their car leaves the track, flips over, jumps into another lane, or if their car's body detaches during the race.
If race officials determine that a racer's car is blocking the progress of faster machines, the racer will be required to retire.
A car's race is completed when it reaches the finish line.
Qualifying and Final positions are determined by either the race finishing order or Time Attack time.

【 4 】 Car Inspection
All racers must have their car inspected by race officials before the race. If any part of the car is determined to be against race regulations, the racer must make the necessary changes in order to participate in the race.
From the time the car passes the car inspection to when the race begins, the car's settings must not be changed and no modifications can be made.
In addition to the pre-race car inspection, other car inspections may occur at any time during the race day at the race official's discretion. If the car is found to be in violation of the race regulations at any of these inspections, the racer's race results up to that point will be disqualified and the racer must make necessary changes in order to participate in subsequent races.
If a machine does not pass car inspection, and cannot be made race-legal, the participant can still take part in the Qualifying rounds for their own benefit, but their times will not be recorded.

【 5 】 Disqualification

If any of the following situations occur, race officials will, at their discretion, have absolute authority to disqualify any racer. Please take care to remember the common manners for a Mini 4WD race to avoid any problems.

A racer's car is determined to have modifications that will cause physical harm to other racers, other cars, or the race track.
A racer's car is determined to have modifications that are designed to deliberately obstruct other cars.
A racer deliberately puts grease or other substances onto the track to affect track surface conditions.
A racer is determined to have modified their car after it had passed the car inspection.
A racer is determined to deliberately touch the track or cars to impede other racers' race progress.
A racer does not follow the instructions of race officials or otherwise impedes the operations of the race track.
A racer has a false start, or is determined to have thrown or pushed their cars forward at the start of a race.
A racer is determined to act against the spirit of fair play or cause distress for other participants.

【 6 】 Race Operations
Participants may raise objections to the race officials. However, these objections must be made before the next race begins.
Race officials reserve the right to announce the use of special regulations at any time during the race.

【 7 】 Participant Restrictions
Please be aware that some races have age limitations, so it may be that some participants cannot take part in certain classes or races.
Except for endurance races, it is against regulations to have more than 2 racers using the same car.

KLANG VALLEY
TAMIYA Underground - One Utama Shopping Centre, Bandar Utama
SpeedHouz - Season Square, Damansara Damai.
SpeedHouz Kepong - On top of Ali Maju
SpeedHouz Puchong -
FJ Hobby Shop - Pantai Dalam, Bangsar.
Pro-Tamiya - GM Klang, Klang.
Kelana Jaya Mini Centre - SS6, Kelana Jaya (above Baker's Cottage)
MOB Tamiya - Taman Perindustrian UEP, USJ.
TOD Tamiya - Pinggiran Putrajaya.
Elements - Kajang
Ampang Hobby - Ampang (near Bukit Belacan)
Thunderdash - Kg Pandan
Mizzion Tropicana Mall
Tamiya Chapchung - Subang SS15 (Beside Hassan)
Tamiya Kampung - Mentari Bandar Sunway (Above Da Ma Chai)
MASA Hobby - Keramat
BMC Cheras - Bandar Mahkota Cheras
Live Tech Phantasia - Jalan Ipoh Mutiara Kompleks

MELAKA
Hobby Kidz - No 51-1 Kota Laksamana Business centre 3/8 , Kota Laksamana 75300 Melaka
HobbyGame2U - Mahkota Parade, 1st Floor (infront of POPULAR Bookstore), Melaka

KEDAH
Mizzion Alor Setar

PERAK
Taipoh - Station 18 (behind tesco station 18)

KELANTAN
DASA Hobby - Kota Bharu Trade Centre, 117, First Floor.
DASA Hobby - Near TESCO Kota Bharu.

You can enhance the performance of your Mini 4WD by using many of Tamiya's upgrade parts, which can provide increased power or faster speeds. In order to do this, you will need to understand the basic elements of Mini 4WD vehicles.

1. Motor
The installation of a tune-up motor is the best way to increase the speed of your car. There are seven kinds of motors available as upgrades. All of them achieve higher performance than the standard motor included in the kit. It is essential to select the right motor since some are designed for top speed, while others are geared more for cornering.

2. Gear Ratio
At a given motor's output, top speed and acceleration are determined by the gear ratio. In comparison, between a 4:1 gear ratio and a 5:1 gear ratio, the smaller 4:1 ratio is more suitable for speed oriented circuits, while the bigger 5:1 produces more acceleration.





Performance Differences Among The Various Gear Ratios
Different gear ratios are available for all chassis. Use a small ratio for high speed courses and a bigger one for technical courses with many curves and downs. Set up the gears according to the track you are racing on.

3. Tires
Tires play an important part when it comes to your car's performance. Take into consideration tire weight, diameter, and width, to determine what type of tire will work best for the course you will be running.
Difference in Diameters
Small Diameter: Good for a quick start, but not for top speed. Small diameter tires lower the center of gravity and help your car corner better.

Large Diameter: Good top speed and suitable for long straights. Better shock absorption for bumpy course joints.



Difference in width
Wide Tires: Provide stability during cornering. Good for technical courses with banking curves and ups and downs.

Narrow Tires: Good for long straights. Less drag on the motor, which may give the advantage of longer run times.



Difference in Material
Rubber:: Weighs more than the sponge type, but grips better. Useful for jumps and lower center of gravity.

Sponge: Weighs less than rubber type, but has a lower grip characteristic.

Reston: Lighter than the regular sponge type and has better gripping. Can be used on all kinds of wheels.

Tire Maintenance
Use transparent tape to clean your sponge tires. Clean rubber tires with an eraser and remove the eraser pieces with tape.


4. Wheels
Wheels, as well as tires, play an important role in tuning up your car. There are various types with different diameters and structures. Select the right one for your application. Most types can be used on any Mini 4WD; however, if you have a Fully Cowled Mini 4WD, body modification will be required if you use anything other than the standard, small-diameter type wheels.

Type of Wheels
Small Diameter Type: Narrow Wheels (which are standard for the Fully Cowled Mini 4WD), Wide Super Low-Height Wheels and Wheels for semi-pneumatic tires.

Large Diameter Types: Included in a Super Mini 4WD snap kit. A lot of designs are available. Pick one that appeals to you.

One Way Type: Light One Way Wheels, Wide One Way Wheels, Low Height One Way Wheels, Narrow One Way Wheel.

Normal Wheel vs. One Way Wheel
Normal: The speed of the wheels on both sides of a car is the same. This is good for the straights; however, the outer wheel tends to be dragged during cornering and this may slow your car down.



One Way: The outer wheel rotates faster than the inner wheel does, which ensures smooth cornering and is preferred for technical courses with many curves.



5. Rollers
Rollers are a must when racing on walled circuits. Altering the rollers will enable you to set up your car for the demands of any track. Key points in using rollers are their size, location and angle. Make sure you have clearance between the rollers and the body tires. Any contact will slow your car down or even damage parts. Most races have regulations concerning the number and size of rollers. Also the position and size of the rollers can affect your overall length and width of your Mini 4WD. Check the local regulations to make certain that your car is in compliance before you race.

Roller Position 1
Roller Position 2
Roller Position 3
Roller Position 4

So to share, let start with the tools/items required:

1) New motos (I breaked in Mach Dash Pro, Power Dash n Sprint Dash)
2) A piece of cloth
3) Singer Oil (Muchmore moto oil for me doesn't really do the job, may b lain tgn lain gaya)
4) NITRO BUSTER (u can use SC99 n etc, but by using NITRO BUSTER, ur moto is well maintained..in a way)

Reminder to all racer which decide to use NITRO BUSTER 600ml, price range is roughly around 25 - 28 inggit (below 30) only, I bought mine at RC shop in OU (thanks to TOA CHENG for introducing it to me) but my frenz accidentally bought it at 49 inggit (malas nk mention kedai), so plz b careful !!

Now, let the break in process begin:

1) First, using 2 bateries, let the moto run until it's hot (how long usually depend on the moto)

2) Once hot, take that moto and spray the inner part (via top n bottom holes of the moto) to wash/clean away the carbon wastage using NITRO BUSTER and cloth (u will see black-shinny-dirty-tiny metal stuffs coming out from ur moto)

3) Next, once u feel that the inner part is nicely cleaned, apply little SINGER OIL to the moto (at the shaft-meeting point to the moto body), then use NYET NYET (4 bateries holder) to pump the moto (during this process, u need to check how the moto accelarate, make sure that while moto is running, no waving sound. Then, when u pump it longer, screaming-like sound is achieved )

4) if u feel the sound made by ur moto is still rough n wavy, redo the whole process.

5) So final result should have this criterias- make sure waving sound is gone, less vibration n screaming sound achieved. Like mine, when I put the break-in moto back in my car, the different was huge !!
Just to share my way of break-in motos (which works 4 me).
Eventually, everybody has their own method/style/skill (aku dgr siap ada org pakai IMAX tuk break in moto ) but all is done to achieve the same goal

HAPPY BREAK-IN by ashrafrahman

Categories
Semi Speed
Semi Tech
Super Speed
High Speed

During any Grand Prix race.
The limitation of engine is placed:
Single Shaft - Sprint Dash (Max)
Double Shaft - Macdash (Max)


Jargons
TQ - Top Qualify
TA - Time Attack
Tandem - battle 1 on 1, 3 laps. 3 rounds
Tandem K.O - whoever "pishang" first lose (off track, fail jump etc)
Tandem Time - Winner will be decided on the faster time base on their TA
Top 64 - Top 64 time Qualify (from TA)
Top 32 - Top 32 time Qualify (from TA)
Top 16 - Top 16 from Top 32 (Tandem)
Top 8 - Top 8 from Top 16 (Tandem)
Funrace (FR) - Small event held in a shop (entry level from RM5-15 /car)
Grand Prix (GP) - Big event (entry level from RM20-50 /car)

FRP - Fibre Reinforced Plate
HG - High Grade Carbon

Nyet Nyet - Battery Holder for break in
Oil/Minyak - Typically used oil is Singer Oil