1. Mini Baja-Dynamometer Final Presentation Group Members In Suk Kang Jong Min Park Academic Advisor Sung Yi Industry Advisor PSU Mini-Baja Date: May 25 2005

2. Executive summary Design Requirements Design Concepts & Evaluation Final Design Design Evaluation

3. Introduction What is a Dynamometer? - Measuring mechanical force especially the output power of a engine. Why need a Dynamometer? - Finding right balance between torque and RPM. - Effective testing the vehicle

4. Power and Torque Curve

5. Design Requirements Safety - Strong enough to endure 20(lb*ft) torque - Shielding to protect the operator Cost of production -Total cost shall be less than $500. Accuracy - Getting the torque curve in ± 5% error.

6. Design Concepts Inertia Dynamometer Inexpensive Accurate Portable

7. Final Concept Main Components A. Frame B. Sprockets and chain C. Flywheel D. Sensor

8. Design Evaluation (Vibration)

9. Design Evaluation (Stress)

10. Design Evaluation (Deformation)

11. Conclusion Overall Assessment Recommendations