F2 STOCK CARS CONSTRUCTION RULES 2004.
1. Models to be a reasonable representation of a full size open wheel (Brisca F1 or f2 type car ) and to have a minimum ground clearance of 3mm and 1mm under gear at scrutineering.
2. Overall chassis length to be between 285 mm and 305 mm. Overall chassis width to be a maximum 160mm.
3. Front and rear bumpers must be fitted, and have a contact surface between 9 mm and 16 mm.The distance between the bumper centerline and the ground must be between 32 mm and 41 mm. All bumpers must be plugged and have no sharp edges and must be constructed from a non-metallic material.
4. Over riders must be bolted to front and rear bumpers. The height from the top of the bumper to the top of the overrides must be between 19 mm and 32 mm at the front and must have a maximum of 19 mm at the rear.
5. Nerf bars must be fitted on the same level as the bumpers and attached to the chassis rails with a maximum contact surface of 10 mm.
6. Bodies and aerofoils must be made from ABS or polycarbonate, metal bodies or aerofoils are not allowed. All four windows must be cut out on both lexan and ABS shells. The height of the body roof from the floor to be between 88 and 126 mm. Aerofoils if fitted must have no sharp edges and be mounted in a safe manner. The a maximum size of center panel to be no more than 126 mm x 126 mm, and the side panels 126 mm x 70mm. The roofs must be painted down to the waistline of the body with the drivers classification colour; if an aerofoil is fitted, this alone may be painted with the drivers classification colour, if the driver wishes.
7. Drivers national race number must be displayed on the exterior of the car, with a minimum height of 10 mm. Any color may be used but it must be legible. Only one racing number allowed per membership. Racing numbers will be available for renewal from the 1st January until the 28th February each year. Any numbers not registered by that date will be allocated on a first come, first served basis. The drivers name must be on the outside of the body.
8. The cost of the complete car excluding radio equipment and cells must not exceed £145.00. In the case of scratch built cars the entrant must be prepared to produce replicas of the car if so required for a price of £145.00 or less.
9. Motors must be Mabuchi RS540SH/ Irvine Topaz/ or the V14 only and must remain unopened. External motor bearings or fine pitch gears are not allowed.
10. Batteries to be sub C sized cells only and are 23mm diameter and 42 mm length rated @ 1.2 volts per cell,with a maximum of 6 cells and 7.2 volts nominal all types of dry cells to be permitted.
11. All cars will have reverse fitted and working at the beginning of each race.
12. Electronic speed controllers are not allowed.
13. Limited slip devices and differentials of any kind are not allowed, solid rear axle only.
14. Steel whip aerials and anti roll masts are not allowed. Aerial tubes to be a maximum height of 200 mm from the track surface.
15. Tyres must have a minimum 12 mm and maximum 26 mm width, and maximum 60 mm diameter. Tyre additives are not allowed.
16 Ball races allowed on rear axle only
17 Base plate to be made from GRP only, top chassis to be nylon or polypropylene only.
STOCK CAR RACING RULES 2004.
1 Heats and finals to be of 5-minute duration, except in the case of a large entry when races may be reduced to 4 minutes duration. Heats to be shuffled each round and where possible a reasonable cross- section of roof grades in each heat.
2 Three rounds at each meeting to count, format is best three from four. Races will start in graded order, commencing with white grades on the back straight opposite the start/finnish line, then yellow a quarter lap down, blue grades a further quarter behind and so on. Finals and consolations will start in qualifying order from the start line. The race format is eight cars in the final consisting of the top seven qualifiers plus the winner from an eight car consolation race. Minimum five, maximum nine cars in any one race. This applies at organizational stage only. In the event of a tie at any national meeting, it will be decided by the highest lap score of any round followed by the next highest etc., then if still a tie, it will be decided on split times of the highest lap.
3 The World Champion will have a Gold roof, and may not be graded lower than Superstar for a four year period after the title win. The National Senior Points Champion will have a Silver roof, and cannot be graded lower than a Red for a five year period. The European Champion will have a Red/Yellow chequered roof and cannot be graded lower than Red for two years. The British Open Champion will have a Black/White chequered roof and cannot be graded lower than Red for two years. The Junior World Champion will have a 10 mm Gold stripe. The Junior National points champion will have a 10 mm Silver stripe. The European Junior champion will have a 10 mm Red/Yellow stripe. The English Open winner shall have the flag of St. George on the roof. The Scottish Open winner will have the flag of St. Andrew on the roof. The Welsh Open winner shall have the flag of St. David on the roof. All open roof colors will only last for a twelve month period after the title win. All club champions or points champions shall have flashing lights or two Gold stars in place of flashing lights and be recognized at national level. National grading will apply to all racers except those who have never raced at a national meeting before, who will be allowed to start at their club grade. Only novices new to radio controlled racing may be graded as a White top roof. If members of more than one club then highest grade will apply at national level. Any driver through lack of attendance over a period of time may not drop more than one grade from the last one held: Unless the grade was yellow then it will stay yellow.
4 Stockcars will race anticlockwise on an oval type track.
5 Protests:- Must be in writing and must include a £10 fee. This fee is refunded if the protest is upheld. If a standard motor is protested, then found to be legal then the value of the motor is reimbursed to its owner. If protesting about a race score, the driver must prove a computer fault, and if needed the race will be re-run.
6 National dates where possible, to be finalised by the 28th February.
7 The 1/12th Stockcar Worlds will be run biannually along with the European event, i.e. the Worlds Championships will run on odd years and the European Championships will be run on even years.
8 Membership race numbers, cost of £1 per number. Monies to be forwarded to BRCA 1/12th Oval Section.
