2012 SOUTHWEST MARDAVE RACING SERIES CONSTRUCTION RULES
CHASSIS AND COMPONENTS
• Cars to be standard 1/12th scale Mardave V12 or Caterham series chassis and suspension. All parts must be mardave made. The car chassis plate may be drilled to improve weight distribution providing no sharp edges are left. Composite Mardave chassis allowed.
• Ball races allowed on rear axle. Rear axle and spur gear must mardave. Diffs are allowed.
• Car suspension and wheel carriers must be mardave.
• 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 PAN CAR SHEELS ALLOWED.
• 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 body shell 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.
BRUSHLESS 13.5 / 1s Lipo Only forward & reverse Brushless ESC’s with NO TURBO or BOOST or ‘on the fly’ timing advance unless from the following list :-ESC’s with BLINKY mode activated will be allowed (we will also be checking these fully on the day) Full list on BRCA website.
Fusion: - Exceed (Sport, Race, Pro)
Castle Creations: - Mamba Max Pro.LRP :- A.I Brushless Reverse, Ai Brushless Pro Reverse, SPX Brushless Reverse, SPX Brushless Bullet Reverse.
Nosram : - Evil Reverse, Evil Power Reverse, Matrix Brushless Reverse, Matrix Power
Brushless Reverse Novak : - GTB (GTB 4 Cell, GTB, GTB Spectrum) GTB2, Havoc 1 Cell,
Havoc Sport Tekin :- R1(sensor less)
Other suitable ESC’s may be added from time to time.
NOTE: - Please make your own checks on compatibility with regards 1s lipo use. A voltage booster may be required in most cases.
Cars to use 1s Lipo 3.7 volt batteries or 3cell Nimh 3.6 volt
Brushless motors to have a minimum of 13.5 turns and a maximum UK r.r.p. of £65.00. Below is a list of approved motors. Others may be added as they become available. Full list on BRCA website.
Fusion Exceed £64.99
LRP Eraser £42.99
LRP Vector K4 £56.99 (New Range)
Losi Xcelorin £59.99 (One large mail order shop is not stocking as discontinued)
Hpi Flux Pro £64.98
Hobbywing £54.95
Team Powers Superlite £34.99
Team Powers plutonium £54.99
Hacker E40 £64.99
Speed Passion Sportsman 2.0 £44.99
Team Powers plutonium £54.99
STANDARD BRUSHED
Any type, make and capacity of speed controller may be used providing it includes reverse. (MAX UK r.r.p. £69.99)
Cars to use four cells only, cells to be sub-C sized cells only, with a nominal voltage of 1.2 volts per cell, cells to be NiCadand Nimh only. Battery mountings may be changed from the original.
Brushed Motors will be the Mardave G2 (2010) unit and the Saturn 20T. No other motors are allowed.
Under no circumstances are fan motors, re-buildable motors, fitting of external bearings or skimming of motor
commutators allowed.
TYRES
• The tyres may be changed from the original kit tyres Mardave or contact to be used.
• 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.
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 850g Including transponder, if using 1 cell lipo weights must be added to bring the car up to weight of 850g.
●SCHUMACHER The same as above i.e. motors, esc, body shells, build and tyres.
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