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Cockpit Design - Kit Car 2008

Cockpit Design - Kit Car 2008. Axel ERWAST – Glyn GRIFFITHS. Tasks Completed. Seat Assembly 2) Safety Equipment 2) Selection of brake / throttle pedal. Seat Assembly. OMP Seat Brackets. Sparco Sprint Seat. TRS Magnum 6. Specification / FIA Rules. Project Requirements :

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Cockpit Design - Kit Car 2008

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  1. Cockpit Design - Kit Car 2008 Axel ERWAST – Glyn GRIFFITHS

  2. Tasks Completed • Seat Assembly • 2) Safety Equipment • 2) Selection of brake / throttle pedal

  3. Seat Assembly OMP Seat Brackets Sparco Sprint Seat TRS Magnum 6

  4. Specification / FIA Rules • Project Requirements : • Space fort two seats. Drivers seat on the left hand side. • 6 point harness with 3“ shoulder and leg straps • Driver’s head protection integrated in the seat. (HANS Compatible) • FIA Requirements : • Harness must be equipped with a turnbuckle quick release system • Minimal thickness of steel mounts is 3mm

  5. Selection Process Seat : Bucket or Reclining seat ? VS Final Choice : Bucket Seat Strenght and weaknesses of the bucket seat : Cheaper Greater support and strength Greater variety to choose from No tilting mechanism No adjustable position Hard to lower center of gravity

  6. Selection Process Mounts : Side or Base mounts? VS • Final Choice : Side mount • Allows the center of gravity to be lowered • Safer in the incident of a crash • Cost Effective • Can be manufactured as a bespoke component • Easily adaptable to all vehicles

  7. Safety equipment • Fire extinguisher: • Selection Process : • Buy Bundle or independent parts? • What type of Extinguishant to use? • FIA Regulations : • Min of 2,4L AFFF liquid • Must be situated within cockpit • Inside and outside triggering system • The pipe work has to be fire-proof

  8. Safety equipment • Other Parts • Cage Padding : • FIA : - Flame retardant padding must be supplied • Electrical Cut off System : • FIA : - Must cut all electrical circuits/stop the engine • - Must be easily accessible • Air ventilation : • FIA : - All closed cockpits must be equipped with an air outlet and inlet vent.

  9. Pedal Assembly • Brake Pedal • Hand operated clutch system  Only 2 pedals needed • Throttle pedal is bespoke component • Need a 2 cylinder single brake pedal Component Selected : Tilton single break pedal. Accepts 2 master cylinders Includes Balance Bar and fasteners Price : 220€

  10. Cad Files Seat Bracket: Fire Extinguisher: Cut Off Switch: Brake Pedal: Seat Assembly:

  11. Bespoke Component Item Chosen : The Throttle Pedal • Why? • Easy to design • Not a lot of stress involved • Does not involve a lot of parts • Easy to manufacture • What is it‘s function? • Retract the throttle cable • Be ergonomically designed for comfort

  12. Throttle Cable Attachment : Issues encountered Idea 1 : Cable attached to shaft. Not Viable : Shaft too small Idea 2 : Use a lever arm system Viable System Other Issues not detailed here : - Location of pedals - Return Mechanism

  13. DFM / DFA Design for Assembly :

  14. DFM / DFA Cost effective design for Manufacture : From expensive part machining to cheap metal bending.

  15. Ergonomics Ergonomic Placement: • From Ergonomic Charts : • 50° Max Angle • Pedal inclined at 56° for Max Comfort • Optimal spacing of 18cm between pedals

  16. Final Drawing Assembly: Top Mounted position:

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