Last updated

09 October 2011 

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2011 YORKSHIRE MARDAVE RACING CLUB CONSTRUCTION RULES

CHASSIS AND COMPONENTS
• Cars to be standard 1/12th scale Mardave V12 or Caterham series chassis and suspension. The car chassis plate may be drilled to improve weight distribution providing no sharp edges are left. Composite chassis allowed
• Ball races allowed on rear axle. Rear axle and spur gear must remain as kit. Diffs are allowed.
• Car suspension and wheel carriers shall remain as kit.
• The use of countersink screws on the underside of the chassis is recommended but not mandatory.
• Chassis top mounting may be changed, altered or removed.
• The motor may be fitted to either side of the chassis, providing that there is no modification or alteration to the chassis or mounting blocks.
• No external bumpers are permitted, although internal foam bumpers are recommended on the front.

BODYSHELL
• Any commercially available Mardave or Kamtec, ABS or Lexan body shells may be used. The shell must remain securely fixed to the car throughout the race. Windows may be cut out on ABS shells.
• No supplementary aerofoil or fins shall be fitted to the body with the exception of a rear wing if desirable. This wing must be non metallic, commercially available and securely fixed.
• The bodyshell can be decorated to suit the individuals taste providing all coatings are of a permanent nature.

ELECTRICS
• Any make of servo, servo saver or track rod ends may be used on the cars steering system.
• Any type, make and capacity of speed controller may be used providing it includes reverse and retail price is less than £60.00.

• Brushless systems with 13 or 17.5 turn equivalent motors costing up to £110.00 for the complete system.

• Cars to use four cells NiCad or Nimh, cells to be sub-C sized, with a nominal voltage of 1.2 volts per cell. 1 cell Lipo may be used but must only be charged using a fireproof charging bag. Battery mountings may be changed from the original.
• Motors will be the Mardave G2 25 turn motor, standard 540 motor, Saturn 27 turn or Saturn 20 turn. Brushless, but these must be raced separate from brushed. Under no circumstances are re-build-able motors, fitting of external bearings or skimming of motor armatures allowed.
• Plastic whip aerials are allowed.

TYRES
• The tyres may be changed from the original kit tyres
• Tyres to be Min 20mm, Max 26mm width and have a Max 60mm diameter. No minimum diameter for tyres, but Minimum car ride height will be no lower than 3mm, (1mm at the spur gear) and the tyre must cover the wheel. Any foam tyre compound allowed.

GENERAL SETUP
• Tyre additive may be used providing it is non toxic, odourless and any excess is removed from the surface of the tyres and tyres to be ‘Touch Dry’ prior to the start of the race.
• Varying types of springs and methods of limiting suspension travel may be used.
• Minimum car weight is 1kg (1000g) Including transponder.
• Commercially available comm. drops may be applied to the motor armatures.
 
Please Note - With the exception of Saturn motors and composite chassis, using the above rules will allow you to race at virtually any club that runs to BRCA rules.

  We'll be watching!

SCRUTINEERING

After each race, all cars and transmitters to be left at scrutineering table and drivers should then go and marshal the next race. Cars may then be collected on return from marshalling once that race has finished.