2008 PSU Human Powered Vehicle Team Concept Evaluation

2008 PSU Human Powered Vehicle Team Concept Evaluation Ben Bolen Erik Chamberlain Kenneth Lou Levi Patton Bryan Voytilla

Overview • Frame configuration • Biomechanical optimization • Drivetrain configuration • Fairing design

External Search • Tricycles – Wheels in front (Tadpole)

External Search • Tricycles – Wheels in front (Tadpole) – Wheels in back (Delta)

External Search • Tricycles – Wheels in front (Tadpole) – Wheels in back (Delta) • Bicycles

External Search • Tricycles – Wheels in front (Tadpole) – Wheels in back (Delta) • Bicycles • Quadricycle

Internal Search • Tadpole Tricycle

Product Design Specifications • Performance – Stiffness – Weight • Safety – Strength – High / Low speed satiability • Aesthetics – Uniqueness – Design • Cost – Ease of manufacturing – Engineering Time

Datum Evaluation Performance Safety Aesthetics Cost Total Datum Vike Trike II Bicycle Tricycle (Tadpole) Tricycle (Delta) Quadricy cle 0 +1 0 -1 -1 0 +1 0 0 -1 0 +3 0 -2 -2

External Search • Upright

External Search • Upright • Prone

External Search • Upright • Prone • Recumbent

External Search • Upright • Prone • Recumbent

Internal Search • Vike Trike II Recumbent

Internal Search • Vike Trike II Recumbent • Bio-Mechanical Testing

Product Design Specifications • Performance – – Power Output Speed Frontal Area Ergonomics • Aesthetics – Uniqueness • Cost • Safety – Ergonomics – Engineering time – Materials

Datum Evaluation Performance Safety Aesthetics Cost Total Datum Vike Trike II Upright Recumbent Prone 0 -1 0 +1 0 -1 0 0 0 +1 0 -1

External Search • Front Wheel Drive

External Search • Front Wheel Drive • Rear Wheel Drive

Internal Search • Gearing calculations

Internal Search • Gearing calculations • Vike Trike II

Product Design Specifications • Performance – Weight – Steering • Safety – Chain Routing – Steering • Aesthetics – Packaging • Cost – Engineering Time – Reduced Parts

Datum Evaluation Performance Safety Aesthetics Cost Total Datum Vike Trike II RWD FWD 0 0 -1 0 0 0 +1 0 0 -1

External Search • Partial Fairing

External Search • Partial Fairing • Full Fairing

External Search • Partial Fairing • Full Fairing • Competition

External Search • Partial Fairing • Full Fairing • Competition • NACA Shapes

Internal Search • Vike Trike II (Sprint)

Internal Search • Vike Trike II (Sprint) • Vike Trike II (Endurance)

Product Design Specifications • Performance – – Crash Recovery Strength Weight Aerodynamic Drag • Safety – Visibility – Crash Protection • Aesthetics – Streamlined • Cost – Material Requirements – Engineering Time

Datum Evaluation Performance Safety Aesthetics Cost Total Datum Vike Trike II Partial Fairing Full Fairing 0 -1 +1 0 0 +1 0 -1 +1 0 +1 +1 0 -1 +4

Contact • http: //web. cecs. pdx. edu/~asme/HPV/ • psu. hpv@gmail. com