SS 131 Technical Regulations 2014

EDUCATIONAL INNOVATION OF MOTORSPORTS & AUTOMOTIVE RACE 2014 10th May 2014

SS 131 VEHICLE TECHNICAL REGULATIONS

1. Vehicle ConfigurationOpen-wheeled, Single-seated and open cockpit race vehicles.

2. EngineEngine must be derived from mass-produced moped bikes. Engine must not exceed the allowable capacity. Details of engine refer to rules 20. Engine

3. Main Frame Body The main frame must be space frame tube construction, with engine vehicle at the back of the drivers. Any kind of monocoque for the main frame construction is prohibited. Main frame must build from ferrous metal as the basic material.

4. WheelbaseThe vehicle should have minimum wheelbase of 1600mm.

5. Maximum TrackThe maximum track of the vehicle including complete wheels shall not exceed 1750mm, with the steered wheels in straight position.

6. Ground ClearanceThe vehicle should have a minimum ground clearance of 50mm with driver onboard.

7. Crash Box and Anti-Penetration PlateThe vehicle must have Crash Box installed forward of the front plane structureMinimum material sizes for Crash Box are 1mm thick of steel plating or 2mm aluminium plating with dimension 200mm wide x 200mm height x 300mm in length oriented along the axis of frameAnti-penetration plate must be fully welded to front plane structure or bolted with minimum 8 pieces of 10mm boltMinimum size of anti-penetration plate is 2mm solid steel or 4mm aluminium plating

8. Roll Hoops StructureThe basic purpose of safety structures is to protect the driver. This purpose is the primary design consideration. Refers to Figure A Vehicle Main StructureThe chassis must include both main hoop and front hoop as shown in drawing. The roll hoops design must be integrated into chassis design.The main hoop must be supported by front and rear main hoop brace for safety to drivers. Bracing minimum of 30° include angle with roll hoop.The driver’s head and hand must not contact the ground in any rollover attitude.When seated normally and restrained by the seatbelt, a straight line drawn from the top of the main hoop to the top of the front hoop must clear by 50 mm of the helmet of all the team’s drivers


9. Cockpit Opening The opening giving access to the cockpit must allow the horizontal template, shown in Figure B Cockpit Opening Template, to be inserted vertically, from above the car into the survival cell and bodywork, with the steering wheel, steering column, seat and all padding removed.The driver must be able to enter and get out of the cockpit without it being necessary to open a door or remove any part of the car other than the steering wheel or cockpit padding. Sitting at his steering wheel, the driver must be facing forward. All vehicle controls, including the shifter, must be operated from inside the cockpit without any part of the driver, e.g. hands, arms or elbows, being outside the planes of the cockpit opening.

10. Bodywork & OverhangNo part of vehicle (cable, exhaust & etc.) shall be more than vehicle in length.No part of vehicle exceeded the maximum of the vehicle track.The vehicle at least must have bodywork on nose & sidepods of vehicle refers to Figure C Minimum Bodyworks Bodywork must be design as protection for driver with aerodynamics influenceMaximum bodywork width must not exceed the maximum of vehicle track.No part of bodyworks shall be more than 500mm behind the centreline of the rear wheels or more than 950mm in front of the centreline of the front wheels (including impact attenuator/bumper).Bodywork may not make from brittle, fragile, easily broken material.Use of acrylic material for bodywork (e.g. Perspex glass) are prohibited

11. SuspensionThe vehicle must be equipped with a fully operational suspension system with shock absorbers at least 1 inch travel. It’s the duty of team to satisfy Technical Inspector.All suspension members must be made from the homogeneous metallic material. Any kind of suspension using torsion springs are not permitted.

12. SteeringThe steering must consist of a mechanical link between the driver and the wheels. Four wheel steering is forbidden.Steering must have maximum 2 turn lock to lock with minimum inside front tyre deflect by 330 each way.No part of the steering wheel or column, nor any part fitted to them, may be closer to the driver than a plane formed by the entire rear edge of the steering wheel rim. All parts fixed to the steering wheel must be fitted in such a way as to minimize the risk of injury in the event of a driver’s head making contact with any part of the wheel assembly. The steering wheel rim must be continuously closed but the shape is free.


13. Brakes13.1. Brake Discs/Drums

Brake discs/drums must be made from ferrous material.13.2. Brake Hose

The use of steel-braided hose is permitted. Any kind of unarmed plastic hose are strictly prohibited

13.3. Brake CoolingBrakes may only be cooled by air.

13.4. Brake Control ModulationBrake Pressure Modulation (e.g. Anti-Lock brake system, ABS) Electronic Brake Control Modulation (e.g. Brake by wire) are prohibited

14. Wheels & Rims14.1. Location

Complete wheels must be external to the bodywork in plan view, with the rear aerodynamic device removed.

14.2. Rim Type & DimensionsRim Type : Must derived from mass – produced carRim Size : 12 to 13 inch

15. TireHand-cut tires, slick tires, racing compound tires, tires marked “NOT FOR HIGHWAY USE” are strictly forbiddenTire should have at least 2.5mm depth of thread to start (scrutineering purpose)Tire must be 5 year and below from manufactured year

16. Fuel TankAll vehicles only fitted with one fuel tank.Tank must be built by metal as the basic material; other type for basic material of tank must be homologated by manufacturer for gasoline useFuel tank filler caps must be leak proof when closed. The same size fuel tank used in practice must be used during the entire event.

17. Air BoxThe air box may be altered or modify from those fitted to the homologated by manufacturer engine (a special design for racing is allowed).The air filter element may be altered, replaced, or removed.The air box drains must be sealed.

18. Fuel & Fuel SupplyUse of AV gas, fuel addition is prohibitedOnly RON 95 fuel is permittedFuel pump, Fuel line, Fuel vent lines, Fuel filters, Fuel cork & pressure regulator may be modified, changed, added, altered or replaced from those fitted to the homologated by manufacturer engine.

19. FirewallsA perfectly sealed metallic firewall preventing the passage of flames from the engine compartment into the cockpit is mandatory:A bulkhead made from a metallic material or fireproof sandwich material is acceptable.


Any holes in the firewall must be of the minimum size for the passage of controls and cables, and must be completely sealed

20. Engine20.1. Permitted Engine

All engines must be 4-stroke, 2 Valve, single cylinder, Air –Cooled, Horizontal engine layout.

20.2. Maximum CapacityEngine capacity must not exceed 131 cc. only modifications on bore dimension to reach capacity are allowable. Stroke must remain as homologated by manufacturer.

20.3. Forced Induction, Power Boost & Oil CoolerAny kind of forced induction system such as turbochargers or superchargers, are not allowed.Any type of power boost such as nitrous oxide is not allowed.

20.4. Cooling SystemEngine must use original cooling system. (Air cooled).There is no additional oil cooler (external oil cooler) except as homologated by manufacturer.

20.5. Engine ModificationThe following engine components may not be altered from the homologated by manufacturer except as noted.The homologated by manufacturer engine design concept cannot be changed.Homologated by manufacturer materials and castings for crankcase, cylinder block and cylinder head must be used.Material for crankcase, cylinder block and cylinder head may only be added by welding or removed by machining unless stated.Method of valve works must remain as the homologated by manufacturer.All moving internal engine, gearbox and clutch parts may be altered or replaced including materials from those fitted on the homologated by manufacturer ( unless not allowed in the individual section covering parts in question).Polishing and lightening of engine parts is permitted, unless not allowed in the individual section covering parts in question).

20.5.1. Cylinder HeadThe homologated by manufacturer cylinder head can be modified as follows:Homologated by manufacturer materials and castings for the cylinder heads must be used.Materials for these parts may only be added by welding or removed by machining.The induction and exhaust system including the number of valves and /or ports (intake and exhaust) must be as homologated by manufacturer.Porting and polishing of the cylinder head normally associated with individual tuning such as gas flowing of the cylinder head, including the combustion chamber is allowed.The compression ratio is free.

20.5.2. Cylinder blockCylinder block can be altered or replaced from those fitted to homologated by manufacturer engine


The material for the cylinder block may only be added by welding and /or removed by machining.The sleeves or liner material may be changed and the surface finish is free.

20.5.3. Piston, Piston rings and clipPiston, Piston rings and clip may be altered or replaced from those fitted to the homologated by manufacturer engine. Piston must have 3 grooves (2 compression rings and 1 oil scrapper ring).Single piston ring is forbidden.Piston is allowed to be coated with other material such as Silicone, Molybdenum, Ceramic, Thermal Barrier and etc.

20.5.4. ValveThe number of the valves must remain as homologated by manufacturer engine.The valves may be altered or modified from those fitted to the homologated by manufacturer engine.Valve guide may be altered or replaced from those fitted to the homologated by manufacturer engine.Valve springs may be altered or replaced from those fitted to the homologated by manufacturer engine.The valve retainers may be altered or replaced from those fitted to the homologated by manufacturer engine.Maximum diameter of valves: 28mm

20.5.5. CamshaftCamshaft may be altered or replaced from those fitted to the homologated by manufacturer engine.The cam chain or cam belt tensioning devices are free

20.5.6. Cam driveCam drive may be altered or modified to allow adjusting the degree of the camshaft.Method of cam drive must remain as the homologated by manufacturer engine.The location of cam drive must remain as homologated by manufacturer.

20.5.7. CrankshaftCrankshaft may be altered from those fitted to the homologated by manufacturer engine.

20.5.8. Connecting Rods Connecting rods may be altered or replaced from those fitted to the homologated by manufacturer engine. Carbon composite or carbon fibred materials are not allowed.Stroke remains as homologated by manufacturer engine.

20.5.9. Carburetion InstrumentsCarburettor may be altered or replaced from those fitted to the homologated by manufacturer engine.Maximum diameter of carburettor is 24mm. The measurement of the 24mm is from the point after the throttle valve of the intake mixture air passage.Sizing of needle, main jet and pilot jet is free.Intake manifold may be altered or replaced from those fitted to the homologated by manufacturer engine.


The diameter and length of intake manifold is free.

20.5.10. Exhaust SystemExhaust pipes may be altered or replaced from those fitted to the homologated by manufacturer engine.Exhaust silencer may be altered or replaced from those fitted to the homologated by manufacturer engine.Wrapping of exhaust systems is not allowed except in the area in contact with bodywork, frame or seat for protection from heat.

20.5.11. ClutchAftermarket or modified clutches are permitted.Clutch system (wet/dry) must remain as homologated by manufacturer. Method of operation (cable/hydraulic) and actuation (automatic/manual) is free.

20.5.12. Transmission/GearboxThe engine must drive the rear wheel axle. Four wheel drive transmission is forbidden.Method of final drive must remain as the homologated by manufacturer engine.Primary reduction ratio must remain as homologated by manufacturer.The number of gears must remain as homologated by manufacturer.Gear ratio is free.Final reduction ratio is free.Counter sprocket, sprocket, chain pitch and size are free.

20.5.13. Crankcase and other engine casesCrankcase must remain as homologated by manufacturer. No modifications are allowed (exclude painting)Other engine cases must be made of the homologated by manufacturer material.

20.5.14. Ignition Control UnitIgnition control unit system may be modified or changed.Spark plug and plug wire maybe replaced with the aftermarket. Programmable Capacitor Discharge Unit (Programmable CDI) also permitted.

20.5.15. Flywheel/MagnetoThe flywheel or magneto maybe altered from those homologated by manufacturerThe pulsar pickup may altered from those homologated by manufacturer

20.5.16. StarterEngine compulsory to have starter

20.5.17. Generator & AlternatorThe generator, alternator and maybe altered or replaced from those fitted homologated by manufacturer engine.


1. SAFETY EQUIPMENT

1.1.1. Engine Kill SwitchThe vehicle must be equipped with an engine kill switch or button within reached of the hand of the driver when seated normally inside cockpit area.

1.1.2. Ignition SwitchThe vehicle must be equipped with a functional ignition switch or button within reached of the hand of the driver when seated normally inside cockpit area.

1.1.3. SeatbeltThe vehicle must be equipped at least with 4 point system seatbelt.Driver’s shoulder belt mounting structural guide must not exceed 100mm above the tallest driver shoulder vertically and below the horizontal as shown in Figure D Seatbelt

1.1.4. Racing GearRacing Gear includes suit, gloves, full-face helmet and shoes. The drivers must wear the gear for their safety.

1.1.5. Brake LightThe vehicle must equip with a red brake light. clearly visible from rear. The light must be mounted at back of rear wheel axle and approximately at driver shoulder level vertically and vehicle centreline laterally.

1.1.6. Side MirrorThe vehicle must be equipped with side mirror for both sides.

2. VEHICLE IDENTIFICATION

2.1.1. Car NumberEach vehicle will be assigned a number at the time of its entry into a competition. The number will be provided by organizer.Leave a blank space 300mm x 300mm at the bodywork at both sides of the vehicle.The vehicle must display car number provided by organizer at clearly visible part at the bodywork at the both sides (left & right) of the vehicle.

2.1.2. Institution Name/Logo.Each vehicle must clearly display the institution name or logo (or initials – if unique and generally recognized).The characters or logo must be placed in an easily visible location.

SS 131 Technical Regulations 2014

Documents

Transcript of SS 131 Technical Regulations 2014