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Tamiya UK Cup M- Chassis RulesM-Chassis Rules
Permitted Chassis
M-03, M-03M and M-03L only (This includes XB Pro models)
(Please note the M-03R spec chassis kit is legal for this class, and is a cost effective way to get a fully hopped up car.) All cars must be built to the standard specifications and without modifications, other than hopup parts listed below.
No other standard parts other than these may be used, unless notification of change is made during the season. Non Tamiya pinions of the same pitch, sizes 16t to 20t can be used. Any Tamiya shims, spacers and O rings can be used. This is mainly for the removal of play in moving parts. Parts that vary only by colour are also permitted.The use of solid differentials is not permitted. These must be built as per kit instructions. However any grease or oil maybe used. Blue-tac or other similar substances are also not permitted.
Hop-ups (53xxx)
50746 – CVA Super Mini Dampers
53619 – CVA Mini Dampers
53569 – Clamp Type Aluminium Wheel Hub (6mm Thick)
53056 – Pin Type Wheel Adaptor
53344 – M03 Aluminium Heatsink
53345 – M03 Toe-in Uprights
53523 – M03/04 Aluminium Front Uprights
53597 – M03 Assembly Universal Shaft Set
Aluminium hardware parts including screws, ball joints and turnbuckles maybe used. No other Hop up parts may be used, unless notification of change is made during the season. Non Tamiya or other Tamiya hop-up bearings of the same size (e.g. 53008, 53029 & 53066) can be used in place of metal or plastic bushes. Bearing shields may not be removed. Any Tamiya Spring may be used as long as it is without modification.
Limited Edition parts (49xxx)
49417 M-03R Chassis Kit
49421 M-03R Aluminium Front Uprights
49422 M-03R Aluminium Rear Uprights (Toe-in)
49423 M-03R Aluminium Servo Mount
49424 M-03R Aluminium Motor Heatsink
Speed Controllers
45029 ESC TEU-101BK
CPR UNIT (FROM OLDER XB PRO KITS)
Configuration of wires must be as supplied, however wires can be cut to length. Battery connector may be changed for different connectors (i.e. Deans Ultra, Powerpoles etc.). Bullet motor connectors may be removed to allow direct soldering to motors. Original switch must remain as standard, but can be mounted in an alternate position if required. The fitting of a power cap is not allowed. 3 step mechanical speedos are no longer allowed
Bodyshells
M-03 - Rover Mini
M-03M - Suzuki Swift
M-03L - BMW Mini, 2006 BMW Mini, VW Beetle
LIGHTWEIGHT VERSIONS OF ANY OF THE APPROVED SHELLS ARE ALSO PERMITTED
No additional wings are allowed. Kit supplied wings are permitted
Wheels
Any Tamiya 60D wheel can be used. This included hop up (53xxx,54xxx) and carbon reinforced wheels
Tyres
50683 - M-Chassis 60D radial tyre
50684 - M Chassis M Grip Radial Tyre
53254 - M Chassis S Grip Radial Tyre
Tyres must not be modified in anyway. This includes belting and rounding of the edges of the tread. Additive may be used. Maximum tyre diameter is 62mm.
Inserts
Only 1 insert per tyre. Inserts cannot be modified in anyway. Only 60D inserts are permitted.
50686 – 60D Inner Sponge Set
53204 – M-Chassis Inner Sponge
53255 – 60Dinner Sponge (Hard) Set
Motors
Motors are Tamiya RS540 Sport Tuned (53086) Handout
1. Motors will be supplied by the organisers for the events as part of the competitor’s registration fee. They will have the competitors series number engraved into the can and are not transferable between competitors. They will be handed out on the morning of race day, and must be returned once racing had finished.
2. New motors will be available at any time during the season, and the competitor’s number will be removed from the old motor to prevent it from being used again. If a competitor fails to return their motor at the end of a meeting, the motor will not be admissible for further rounds and a new motor will need to be purchased.
3. The motors must remain un-tampered, however cleaning of the motor is allowed. This includes the use of cleaning fluids, cotton buds and fibre/comm sticks. Running in/comm drops and lubricants are also permitted. Anything other than this is not allowed and may result in disqualification from the event. Water dipping of motors is also not permitted. Maximum of 1 motor cooling fans may be used (maximum size 30mmx30mm)
4. Extra capacitors, power caps and schottky diodes may not be fitted.
5. The use of any form of commutator lathe is strictly forbidden, as these are sealed motors and must not be opened. Suspect motors will have the competitor number removed and the offending driver may not be allowed to take any further part in the meeting, scoring no points.
6. Motors will also be available for practice at the same rate as the race motors, but will not be marked with your number andso are not submitable for racing.
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