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

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 Datum Vike Trike II BicycleTricycle (Tadpole) Tricycle (Delta) Quadri cycle Performance 0+10 Safety Aesthetics 000 Cost Total

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 Safety –Ergonomics Aesthetics –Uniqueness Cost –Engineering time –Materials

Datum Evaluation Datum Vike Trike II UprightRecumbentProne Performance 00 Safety 0+10 Aesthetics 001 Cost Total 00

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 Datum Vike Trike II RWDFWD Performance 00 Safety 000 Aesthetics 00+1 Cost 00 Total 00

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 Datum Vike Trike II Partial Fairing Full Fairing Performance 0+1 Safety 00+1 Aesthetics 0+1 Cost 0+1 Total 0+4

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