6.1. GENERAL DESCRIPTION

DEFINITION - 1/24 Fujimi's hard plastic Ferrari F430 Challenge (ref. #RS49/12268 or ref #RS49/12318), being a true scale copy of the race cars having been seen in the Ferrari Challenge series of the previous year.

6.2. WEIGHT & DIMENSIONS , GROUND CLEARANCE

(a) Minimum weight for the complete RTR car is 180 grams with minimum 60 grams for the body inclusive of the body mounts.

(b) Minimum ground clearance before the start is 0.6mm.

(c) Maximum spur (front & rear) is 78mm measured to the outermost edge of the wheels at their widest points excluding the wheel inserts.

(d) Maximum body width cannot exceed 78mm when measured at the lowest point of the body side panels between the front and rear wheel openings. Racers using transformed bodies or bodies having been dremeled out at any point will be disqualified.

6.3. CHASSIS, MAKE AND TYPE

(a) CHASSIS - All commercially available model car chassis' are allowed. Mixing of chassis parts between different manufacturers is allowed. Make of the motor holder is free. Assembly of chassis parts must be done via bolts and/or glue using to the original holes provided in the Chassis. Positioning of the parts is free.

Allowed modifications: (i) motor bracket, (ii) guide, guide holder & guide nut, (iii) ball-bearings, (iv) braids, of the guide nut, (v) bottom plate, (vi) H-section (may be in carbon), (vii) the spring plate and (viii) body mounts/holders. Original body holders may be replaced by carbon lightweight holders, or by any other type of any make. No other carbon parts than the body mounts, the H-plate, the spring plate and the guide holder may be used. The opening for the motor in the ground plate may be closed by any piece of any make.

(b) CHASSIS PARTS - All chassis or chassis parts found by January 31 of the year preceding the Worlds on such catalogues as those of H+T Motor Racing, Jens Scale Racing, Bleck Center and CricCrac, sending parts to all places of the world, may be used. Racers wishing to use chassis (e.g. the Metris MKIV) or chassis parts, not found in those catalogues, but in another shop, must let homologate by January 31 the used chassis or chassis part, or by the manufacturer, or by the (alternative) shop by sending it for free to the chief of IMCA's Technological Commission, Raymond van Campenhout [mail for address to raymondvc@slotracingmerlijn.be].

6.4. MOTOR, GEAR & PINION

(a) MOTOR - Only the handout sealed ProSlot PS4000-IMCA with balanced and hand wound armature, with a 9T M50 pitch pinion already fixed to the shaft, and with ball bearings in the can will be used. After the race(s) all such motors have to come back. All handout motors will be already broken in. Motor must be bolted to the chassis using the original mounting holes and mounting bracket. Motor must be mounted with the magnets in a horizontal plane. Soldering of the motor is forbidden. Lead wires between motor and braids are free.

(b) PINION & GEAR - 9T M50 pinion for 2mm Ø motor axles and 44T M50 Spur gears . The gear ratio is always 44:9.

6.5. WHEELS, AXLES & BEARINGS

(a) AXLES & BEARINGS - Only steel 3mm Ø blank axles and NO differential. Allowed are 6mm diameter ball bearings of any make. Fitment to the chassis must be preformed without any cutting or modification to the chassis.

(b) WHEELS - Front rims must be aluminium min 21mm Ø outside, 20mm Ø inside. Front wheels are always at least 5 mm wide and minimum 25.5mm high. Front wheels must touch the track over min. 5 mm. Rear wheels are handout Scaleauto wheels 27,5mm Ø 13 mm wide, 20mm Ø inside. Tyres are black. Front wheels must touch the track over at least full 5 mm.

(c) INSERTS Wheel inserts can be cut from part C4 but may be replaced by handcraft inserts of the same type.. There is no racing without the 4 wheel inserts. If one or more inserts are lost the car has to make a pit stop.

(d) ON CAMBER FRONTS - Inclination may never be more than 3°. The inner side of the complete wheel may be lower than the 25.5 mm sub art. 6.5.b, but only to make that the tyre is flat on the track over the complete 5 mm. Seen from above wheels must be covered entirely by the body.

6.6. SCALE BODY OF A FERRARI F430 CHALLENGE

(a) SCALE & MATERIAL - Only allowed body is the 1/24th Fujimi Ferrari F430 Challenge (ref. #RS49/12268).

(b) PARTS TO BE USED WITHOUT ANY CUTTING OR DREMELING - The following parts - including the body - must be used without the smallest modification: B1, B2, B5, C1 (2 x), C2, C3, D1, D2,, D4, D5, D6, D7, D8, D11, and D22; G1, G2, G3, G4, G5 (2 x), G6 (4 x), G7 and G8 ;H1, H2, H3, H4, H5, H6, H7, H8, H9, H10, H11 and H14; K3, K6 and K10; L2, L3, L4, L5, L6, L7 (= the original dash board!), L9, L11, L12, L13; L16, L17, L18, L19; N3 (2 x), N4 (2 x), and N7 (2 x)

(d) GROUND PLATE- Part A1 must be cut. Two parts of it should be used. The front of the plate should be cut where the front wheel fenders begin. An opening may be cut so that the guide can turn wit66

hout problems if needed. The rear of the bottom plate can be cut at the beginning of the rear wheel fender. The rear wheel covers (parts A7 and A8) are no longer required.

(e) INTERIOR UNDER FRONT BONNET - Part L1 is no longer required including the front wheel covers are no longer required.

(f) COCKPIT - Lexan cockpit, including the windshield and the lateral windows is allowed. If the lexan windshield contains already the wipers, parts B1 and B2 are not necessary. Dash board (part L7) & Roll Cage (parts H1, H2, H3, H4) are original Fujimi, incl. steering wheel. K3 and K6). A three-dimensional driver, with complete legs (minimum upper leg) and at least one hand fixed to the steering wheel, and a driver's seat is obliged. The material used to construct the driver is free but the head/helmet should be made of hard plastic or resin. A Roll-bar (or roll-cage), steering wheel, dash board,, racing safety harness, fire extinguisher (N5 and N6) and gear shift (L2) are required.

(g) PLASTIC MOTOR - It's well known that on the Ferrari F430 one can see the motor through the rear window. Here one is allowed to use the lexan motor version.

(h) WHEEL INSERTS - The four wheels (parts N1 and N2) are obligatory (one pair in the handout rims!!!) They may be replaced by hand crafts inserts of the same type.

(i) RACING NUMBERS & SUNSTROKE - Correct race numbers & sunstroke are obligatory.

(j) ON COLOURS & DECALS - Sponsors as Pirelli, Shell, Vertu obliged on all cars plus at least the main sponsor. Please note that you can order any decal sheet for your car at http://www.scalemodeller.de at a reasonable price.

6.7. REPAIRS FOR FERRARI F430 CARS

Any part of the Chassis (art 6.3, 6.4) and or Body (art 6.6) that is in contact with the track for a complete lap must be repaired. All repairs , unless specifically allowed The following parts must be re-mounted in their correct position should they come off: Wheels, insert(s), lane sticker, front and rear windshield

6.8. SANCTIONS & PENALTIES ON FERRARI F430 CARS

(a) UNAUTHORISED TYRE DRESSING- Unless specifically allowed by the Race Direction, any form of tyre dressing on handout rear wheels results in disqualification. On mounting the rear wheels, under the yes of the race direction only.

(b) ON TYRE CHANGING - New wheels must be mounted in racing time. The competitor can re-enter their car only after inspection. Non respect of tyre change - obliged at least at mid-race - results in loss of 10 per cent of achieved laps.

(c) ON ILLEGAL BODIES - If a car is presented at scrutineering, having not respected all rules concerning the body, it is at the race director's discretion how many ballast should be applied to the body at the highest point under the front bonnet.

(d) SANDING- Any sanding or dremeling of the body or the wheel arches will be sanctioned by minimum 2 x 15 grams extra weight to be glued into the highest point of the bonnet and highest point of the boot. If the dremeling was hidden and well intended to skirt the rules, the racer will be disqualified.

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