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15.
KART FORMULA
15.1 Chassis
15.1.1
Wheelbase: shall be a maximum 1270mm and a minimum of 1000mm except Juniors may have a minimum of 880mm. The maximum overall length of the vehicle shall be 1820mm without nose cone fitted.
15.1.2
Track: Maximum width for a kart shall not exceed 1400mm.
15.1.3
Height: Maximum height for a kart shall not exceed 710mm from the ground
15.1.4
Wheels and Tyres: Four wheels only with 5” or 6” rim diameter, tyres must be treaded. No chemical tyre traction treatments are allowed to be used.
15.1.5
Axle: Rear wheels to be driven by a one-piece axle shaft only. Axle must not protrude beyond the tyre. Hollow aluminium axles to be a minimum of 39.0mm x 2.75mm wall thickness. Hollow steel axles to be a minimum of 2.75mm for 39.0mm or less and 2.0mm for 39.1mm and above.
15.1.6
Frame: All go-kart frames to be in sound condition. Chassis to be constructed of metal and be manufactured from a minimum of 1.6mm Chrome Moly or 2.0mm low carbon steel tube.
15.1.7
Bumpers: must be fitted and made of
tubular steel (hollow) (effective 1 February 2007). Front to be a minimum of 15mm and a maximum of 20mm with a wall thickness of 1.6mm minimum (effective 1 February 2007). Rear to be a minimum of 18mm and a maximum of 30mm with a wall thickness of 1.6mm minimum (effective 1 February 2007). Any open ends must be radiused.
15.1.8
Bodywork: The only permissible bodywork or aerodynamic aids are side pods, nassau panel and nosecones. (Outlaws may use a wing as per rule 12.10.7.1). Must be made from a shatterproof/non-metallic material. Fibreglass Nassau panel/wings must be chopped strand matting type. If plastic, it must be non-splinter-able.
15.2
Bodywork
15.2.1
Side pods are compulsory for all classes.
15.2.2
The side pod shall consist of two side members and a top and bottom section, as supplied by the manufacturer. No additional materials or panels are to be fitted to the outside or top surface of the side pods, other than decals or competition timing equipment as directed. Modification for side mounted carburetted engines accepted. They are not to be used as fuel tanks or to support ballast.
15.2.3
Side pods must be a separate item to the under tray.
15.2.4 Side pod mounting bars must be welded or bolted at all fixing points and are to be attached at a minimum of two points to the chassis. Mounting bars are not to protrude past 75% of the inside of the pod and must have no open ends facing outward. Any open ends must be radiused. Tube diameter of side pod mounting bars to be a minimum of 18.0mm and a maximum of 30.00mm.
15.2.5 Bars on the outside surface of the side pods are not permissible.
15.2.6
Drilling of side pod components for lightness is not permitted.
15.2.7
Dimensions: With the front wheels in a straight ahead position, the outside side of the side pod must extend parallel with the plane covering, the outside of the rear of the front tyre and the outside of the front of the rear tyre and must have a ground clearance of a minimum of 25mm. No more than 25mm of the rear tyre may extend outside the pod. A side pod must fill a minimum of 70% of the distance between the tyres, measured at the centre-line of the tyres.
15.2.8
Nassau panel may be no wider than 500mm, no higher than the steering wheel and must not restrict the
driver.
15.2.9
Nose Cones: All classes are permitted to use nose cones.
15.2.10 Must be made from plastic only and must be non-splinterable and non-shatterable.
15.2.11 Nose cone must be able to be removed without the use of tools.
15.2.12 Nose Cones must be CIK stamped and approved.
15.3
Brakes
15.3.1
Brakes must be foot operated through the two rear wheels. Disk brakes only.
15.3.2
Brakes must be able to stop the kart. The rear wheels should not turn when the brakes are applied by hand.
15.3.3
No front brakes allowable.
15.3.4
Where only bolts retain brake pads, the bolts must be drilled and a safety wire affixed or if split pins are used they are to be in manufactured condition with a minimum diameter of 3mm.
15.3.5
All brake cables must be multi-strand steel wire of 2.25mm minimum diameter and must be fastened by a machine swagged fittings or by positive methods that cannot cut into the wire. Brake pedal rods are to be a minimum of 6mm diameter solid steel if the threaded ends are cut into the rod or 5mm solid steel if the threaded ends are rolled on the end of the rod.
15.3.6
All Brake systems and pedal mounting bolts must be of high tensile material.
15.3.7
Drilling of brake components (excluding brake discs) for lightening is not permitted.
15.4
Steering
15.4.1
Shall be effected by the operation of a full wheel.
15.4.2
The steering wheel boss is to be manufactured of metal. (No plastic).
15.4.3
The steering shaft is to be a minimum of 18mm diameter and have a minimum wall thickness of 1.5mm if tubular. The steering shaft shall have a collar device, to be securely fitted within 5mm of the lower edge of the upper steering shaft bush.
15.4.4
The tie rods are to be a minimum of 8mm steel rod or 12mm. outside diameter aluminium. An engaged thread length minimum 8mm is required between the tie rod and rose joint. Rose type joints of peg, plastic/nylon, and or pressed metal type are not permitted.
15.4.5
The drilling of any steering components for lightness is not permitted.
15.5
Under-Tray
15.5.1
Shall be of non-perforated sheet of a minimum 1.2mm for steel and aluminium or 2.0mm for fibreglass.
From a seated position
the floor-tray shall have no void large enough to permit any part of the
driver’s body to pass through.
15.5.2
Must be fitted above the tags welded to the chassis at the front of the kart. The edge of the floor-tray within the sub area must not protrude below the bottom of the chassis. It must not extend beyond the inside of the chassis rails
and can not be drilled for lightness.
15.6
Guards
15.6.1
Chain Guards: All karts must be fitted with a plastic or aluminium chain guard that protects the
driver in the event of a chain breakage or prevent the driver from trapping their fingers in the chain. It must be fixed at two points preventing the guard from being dislodged.
15.6.2
Motors with flywheels on the outside of the kart must have a guard covering the flywheel.
15.7
Fuel Tank and Fittings
15.7.1
Fuel tank shall be securely mounted to the floor-tray or chassis, positioned between the
driver’s legs and the floor (Briggs and Stratton motors exempt).
15.7.2
All fuel lines must be clamped or wired on.
15.8
Suspension
15.8.1
Any suspension devise, either elastic or hinged is prohibited.
15.8.2
No jacking aids are permitted.
15.9
Number Plates and Numbers
15.9.1
Front and rear numbers shall be a flexible material with a flat surface large enough to carry numbers which must be at least 145mm high and a 20mm wide continuous brush stroke.
15.9.2
Side numbers on karts are compulsory. Numbers must be attached to the inner rear
part of the side pod with a plastic plate (no metal brackets are permitted) and
or adhesive numbers and backing plate for the respective class.
Adhesive numbers only are permitted on the rear outer side of side pod.
15.9.3
Side
numbers shall be a flexible material with a flat surface large enough to carry
numbers which must be at least 100mm high and a 15mm wide continuous brush
stroke for respective class.
15.9.4 All numbers are to comply with the colours of the particular class being
raced.
15.9.5
Letters are not to
be used on plates unless on a Red Title Plate or a National Plate that
designates the State or Territory in which the Plate was won.
15.10
Exotic Compounds
15.10.1
Carbon Fibre Compounds may only be used in seats, Nassau panels and floor-trays.
15.10.2
Exotic elements such as titanium are banned.
15.11
Seats
15.11.1
All seats are to be in sound condition.
15.11.2 A metal plate 35mm minimum diameter of 1.5mm thickness shall be placed between the seat and the side seat mounts.
15.12
Communication and Telemetry
15.12.1 adio communication and telemetry aids (including mobile phones) with the exception of official timing equipment are not permitted to be used by
drivers during competition.
15.12.2
Beacons are allowed to be used track side for the purpose of operating lap timers.
15.13
Fasteners
15.13.1
All fasteners under the kart must be bolted upright. No bolt is to protrude in a dangerous manner.
15.14
Exhaust
15.14.1
There must be no less than three springs between the header and muffler and at least two springs holding the muffler to the chassis. One spring and a clamp is an acceptable solid mounting system for attaching the muffler to the chassis for the outlaw class. Rotax 125cc Max mufflers may be bolted to the chassis.
15.14.2
All mufflers to be fixed with multi-strand wire (throttle cable) between the muffler and header.
15.14.3
The muffler must not protrude outside the rear wheel track
15.15
Throttle
15.15.1
Throttles must be fitted with two return springs, (one at the pedal and carburettor) both able to shut the throttle if one should fail.
15.16
Transmission
15.16.1
All systems of varying the drive ratio in motion by torque manipulation are forbidden in all classes except gearbox classes.
15.16.2
Front wheel driver systems are forbidden.
15.16.3
Intermediate gear reduction systems, more commonly known as “jack shaft systems” are allowed provided the reduction drive system is a direct drive system fitted without a clutch assembly and the intermediate gear reduction system can be fitted either directly to the frame or between the engine and the mounting bracket.
15.17
Outlaws
15.17.1
Outlaws must comply with all regulations within this section plus any additional rules within section 11.9
15.18 Amendments
15.18.1
AIDKA Executive to form a Sub-Committee to refine the Rules of Racing.
15.18.2 Any changes shall be forwarded to Affiliated Clubs or published on the website.
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