SAE MINI BAJA PROJECT PORTLAND STATE UNIVERSITY TEAM

SAE MINI BAJA PROJECT PORTLAND STATE UNIVERSITY TEAM SLEIPNIR TEAM MEMBERS: MIKE CUNDIFF JAMES GARVIN MIKE KRANDA MICHAEL SINGER CHRIS WALTHERS FACULTY ADVISOR: DR. CHIEN WERN INDUSTRY CONTACT: SAE

THE SAE MINI BAJA COMPETITION INTERCOLLEGIATE DESIGN COMPETITION OF A SINGLE-PASSENGER OFF-ROAD VEHICLE THE COMPETITION CONSISTS OF: Ø DESIGN EVALUATION Ø COST ANALYSIS Ø DYNAMIC EVENTS Ø ENDURANCE RACE

CUSTOMER NEEDS SAE Ø Ø Ø SAFETY COST PERFORMANCE MARKETABILITY POWERED BY 10 HP DRIVER Ø Ø Ø SAFETY COST PERFORMANCE COMFORT GOOD LOOKS

DESIGN GOALS Ø STRONG FRAME F. S. = 2 Ø LOW WEIGHT 500 LBS Ø LONG SUSPENSION TRAVEL 12” FRONT 10” REAR Ø TIGHT STEERING 10’ TURN RADIUS Ø EFFICIENT DRIVETRAIN Ø EASY TO OPERATE Ø VISUALLY APPEALING Ø SIMPLE

FRAME DESIGN Ø 4130 CHROM-MOLY TUBING Ø MANDREL BENT MEMBERS Ø TIG WELDED Ø FINITE-ELEMENT ANALYSIS Ø STRAIN GAGE LOAD TESTED

FRAME PROTOTYPE MANDREL BENDER NOTCHING TUBES COMPLETE FRAME W/ PSU GREEN PAINT WELDED JOINTS

DRIVETRAIN DESIGN Ø MANUAL 6 -SPEED TRANSMISSION Ø TRANSMISSION INPUT SHAFT Ø REAR DRIVE AXLE Ø MODIFIED DRIVE AXLE HUBS Ø REPLACEABLE SPROCKET Ø EASY TO MAINTAIN

DRIVETRAIN PROTOTYPE 6 -SPEED MANUAL TRANSMISSION DRIVETRAIN INITIAL TEST DUAL-CHAIN DRIVE

SUSPENSION DESIGN Ø FULLY INDEPENDENT Ø UNEQUAL LENGTH DOUBLE A-ARM Ø 12” FRONT TRAVEL Ø 10” REAR TRAVEL Ø CUSTOM SHOCKS

SUSPENSION PROTOTYPE FRONT SUSPENSION REAR SUSPENSION

STEERING DESIGN Ø RACK & PINION GEARBOX Ø MODIFIED STEERING KNUCKLE GEOMETRY Ø STEERING WHEEL MOUNTED HAND CLUTCH Ø QUICK RELEASE MECHANISM Ø 10 FT TURN RADIUS

STEERING PROTOTYPE STEERING LINKAGE & SPINDLES STEERING CONTROLS STEERING KNUCKLE ADD-ON

PROTOTYPE

RESULTS FRAME F. S. = 2. 2 530 LBS DRY WEIGHT 11 FT TURN RADIUS SUSPENSION TRAVEL 12” FRONT 10” REAR EASY AND FUN!

COMPETITION RESULTS Ø 39 TH PLACE OVERALL AT THE MINI BAJA WEST COMPETITION Ø 8 TH PLACE IN DESIGN EVALUATION Ø 9 TH PLACE IN ROCK CRAWL

PROJECT SPONSORS POLARIS INDUSTRIES BRIGGS & STRATTON MASEEH COLLEGE OF ENGINEERING PSU MME DEPARTMENT OREGON SAE ADVANCED SEISMIC HARDWARE – ROB & PAUL SERVICE STEEL MCGUIRE BEARINGS JIJA ENTERPRISES DOUG NAEF MICHAEL & DEBRA WALTHERS NEWBERG STEEL CUNDIFF ENGINEERING ANTHONY ROSS AUTO GUARD ALARMS ACCIPIO INC. COMPETITION MOTOR CORP. WE APPRECIATED ALL THE SUPPORT! THANK YOU!