OLD DOMINION UNIVERSITYFORMULA SAE MAE 435 – Spring 2015

April 21st, 2015

INTRODUCTION

• Formula SAE competition provides the opportunity for students to design, build, and race a formula style racecar

• The team placed 37th out of 109 teams in the 2014 competition

• The MAE 435 team is responsible for the design of primary component, fabrication of the car, and competition related administrative work

GANTT CHART

DRIVER CONTROLS

• Needle bearing supports for steering shaft reduced friction while turning.

• Pedal box redesign to fit into narrower frame

• Shift linkage mechanism modified to correct upshifts and downshifts

INTAKE

Runner Lengths Calculated Using Helmholtz resonance theory

• Material used TI-6061 Aluminum

• Large Plenum was designed to provide little flow restriction to the runners.

• Flow Analysis allowed us to tweak the design before fabrication.

DRIVETRAIN

• Gearing calculator used to find optimum gear ratio for acceleration and low top speed of the course

• Differential carrier designed for lighter weight while maintaining strength and durability

• Tripods, axles, and miscellaneous parts selected for durability and value

SUSPENSION

• Suspension calculator used to determine the camber and camber gain

• Push rod suspension selected over pull rod based on the 2014 car’s performance

• Front upright design changed to decrease weight, rear design changed to accommodate push rod system

BRAKES

• Switched to 4 wheel disc brake setup for more control over braking force

• Increased rotor size for increased stopping power

• Redesigned front and rear carriers to allow for more clearance

AERODYNAMICS

• Custom designed nose cone, sidepods, and diffuser

• First CFD aerodynamic analysis completed on an ODU FSAE car

• Diffuser increases rear downforce and speeds airflow underneath car through full length

• Reshaped the nose and sidepods to decrease drag as much as possible

SPONSORSHIP

• Sponsorship presentation created to market team

• Sponsorships include Exxon-Mobil and Panda Express

BUDGET

• Over budget by $4,950.00, but received $4,210.00 for a net over budget of $740.00

COST REPORT AND PAPERWORK

• Cost report was submitted on time with great detail

• Other paperwork submitted in a timely fashion and approved

• High quality posters and presentations for competition in production

TESTING, TRAINING, AND COMPETITION

• Competition is May 13th – 16th

• Car will be tested for durability every weekend after April 18th until competition

• Competition consists of endurance, autocross, and acceleration events

• Drivers will practice on technical sections of course

QUESTIONS?THANK YOU FOR YOUR TIME!