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SAE 1: Mini-Baja Four Wheel Steering

SAE 1: Mini-Baja Four Wheel Steering. Team: Clyde Baker Ken Brown Alex Cherukara Kevin Eady Sponsor: Dr. Patrick Hollis. Problem Statement. Reduce Turning Radius Applicable to Formula SAE Car Budget of $500. Needs Assessment. As defined by group: Turning radius of 7’ or less

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SAE 1: Mini-Baja Four Wheel Steering

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  1. SAE 1: Mini-Baja Four Wheel Steering Team: Clyde Baker Ken Brown Alex Cherukara Kevin Eady Sponsor: Dr. Patrick Hollis

  2. Problem Statement • Reduce Turning Radius • Applicable to Formula SAE Car • Budget of $500

  3. Needs Assessment • As defined by group: • Turning radius of 7’ or less • Strong enough to withstand forces experienced during competition • Must not interfere with other components • Must remain stable • Least weight possible

  4. Concepts • How to achieve front to rear ratio? • Geometry: Easier to construct, more reliable, less components. • Gearing: Easier to design, identical geometry and components for subsystems.

  5. Final Concept • The complete concept is a combination of all other concepts. • Opposite wheel steering • 30 degree front wheel angle • 2:1 front to rear wheel angle ratio • Gearing to achieve ratio

  6. System Configuration • Layout/Operation of the system: • Two subsystems: Rack and pinion for front and rear, identical geometry and components. • Steering column fitted with 2” bevel gear. Meshes with 2” bevel gear on shaft to front system and 4” gear on shaft to rear system. • As steering wheel is turned the shafts turn. Front rack will travel 5” total, the rear 2.5”.

  7. Front Steering Assembly

  8. Rear Steering Assembly

  9. Recent Design Changes

  10. Current Work • Completed course testing of present steering system to be used for qaulitative and quantitative comparisons

  11. Current Work • Received all ordered parts • Began construction of steering system sub-assemblies

  12. Future PLans • Completion of steering system (sub-assemblies and full asssembly) • Final testing • Redesign and or fine tuning Downhill From Here

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