1. Doug Matthews, Vuchuong Do, Chris Dayton, Theral Mackey, Monica Franz, Brian Smith

2. Overview Problem Statement What Does a Throttle Body Do? What Are We Doing Differently? Our Solution –Throttle Body –Throttle Body Housing Future Work

3. Problem Statement The Product: Methanol Injection Throttle Body The Need: Increased Engine Performance for the GT Motor-Sports Formula SAE Car

4. What Does A Throttle Body Do? Current throttle body used by GT Motor-Sports

5. What Are We Doing Differently? Place a fuel injector before the throttle body –Cooler, denser air enters the engine –Increased engine performance Total redesign of the throttle body –More efficient design Incorporate venturi into a throttle body housing –A totally self contained design

6. Engineering Analysis Materials Used –PET / Throttle Body –Aluminum –Pre-Preg Carbon Fiber Air Filter Sizing Throttle Body Sizing Throttle Body Barrel Sizing Bearing/Screw Specifications Throttle Body Barrel Opening Angle vs. Percentage of Open Area Total Weight

7. Our Solution Complete redesign consisting of a throttle body assembly and a housing

8. Throttle Body Valve Full ThrottleHalf Throttle Idle The valve is never completely closed

9. Throttle Body Valve There are several components of the throttle body valve. There has since been a 1.5 inch hole drilled in the sleeve and barrel

10. Throttle Body Assembly In addition to the actual throttle body valve, the throttle body assembly has a few more components

11. Housing The housing was constructed by laying up pre-preg carbon fiber onto the mandrel

12. Housing The housing material was vacuum bagged. The mandrel can be disassembled to remove the finished housing

13. Finished Housing The housing and the throttle body valve were combined to produce the finished product.

14. The Finished Product Total Weight 2 lbs. 8 oz. Total weight without peripheral systems (Air filter, Injector, and TPS): 1 lb 13.3 oz. Weight of Carbon Fiber Housing: 5.32 oz

15. Future Work Testing and Tweaking Reduce Weight Integration with a naturally aspirated turbo charger GT Motor-Sports Dynamometer

16. Questions?