Human Powered Tadpole Trike Team Members Cory Tuttle (PM) Daniel Unes Jarod Peyton Cory Schueller Dylan Polus Faculty Advisor Dr. Marek Szary S13-45-TRKE

Outline  Executive Summary | Cory Tuttle  Discussion  Brake System | Daniel Unes  Electrical System | Jarod Peyton  Drivetrain | Cory Schueller  Suspension | Dylan Polus  Frame | Jarod Peyton  Wheels | Cory Tuttle  Steering System | Jarod Peyton  Summary (CT)

Executive Summary  Where it started…  Overall design points  Increase stability  Increase safety  Total Estimated Cost: $2,  Completion Date: November 3, 2013  Deliverables  Instruction Manual  Assembly Manual  Prototype Unveiling

Price List PartPrice Drivetrain$ Wheels$ Lean Stearing$ Brakes$ Frame$ Suspension$ Contingency$ Total:$2,000.00

Block Diagram Swing Arm Initial Displacement Upward Force Shock Absorber Frame Reduced Upward Force Seat / Rider Final Displacement Steering Handle Arm Force Reaction Force Linkages Reaction Force Hub Mount Δθ x Velocity Force Hub Mount Force Variable Rate Spring Δθ z Pedals / Crank TorqueLeg Force Chain Tension Rear Cassette ω / VelocityTorque Wheel Lever Finger Force Cable Tension Force Caliper Lever Force Brake PadBrake Disk Force Deceleration Switch Initial Displacement Current Battery Circuit Brake LED Photo Resistor Sunset Current Circuit Headlight Electrical Suspension Brakes Drivetrain Steering / Leaning

Brake System | Daniel Unes  Design points of braking system  Disks  Parking Brake  Pros / cons of different systems  Rim  Specifications

Electrical System | Jarod Peyton  Design points of electrical system  12 volt system  Automotive grade components  Photo resistor  Brake activated lighting

Drivetrain | Cory Schueller  Design points of drivetrain  Chain and sprocket  Idler pulleys  Derailleur  Pros / cons of different systems  Universal joint driveshaft  Belt driven

Suspension | Dylan Polus  Design points of suspension  Single pivot  Rear swingarm  Single shock absorber  Pros / cons of different systems  Linkage driven single pivot  Four bar linkage  Specifications  Maximum travel: 4 inches By Vladimir Izmailov By Robert Stein

Frame | Jarod Peyton  Design points of frame  Aluminum tubing  TIG welded  Specifications  Low CG  Maximum supported weight: 300 lbs  Accommodate varying rider sizes

Wheels | Cory Tuttle  Wheel selection factors  Safety  Size  Radial vs. lateral loading  Appendage protection  Aesthetics V φ

Steering | Jarod Peyton  Design points of steering system  Work off of centripetal force  Ackermann & Castor  Ackermann – radial compensation  Castor – centering  Specifications  Maximum lean angle ≥ 55°  Minimum turn radius: 12’ 6”

Plan to Complete - AIL ActivityPersonAssignedDue Component DesignAll8/209/17 Order PartsCT8/2010/1 Assemble Mock-upCT/DP9/109/24 Test Mock-upCT9/249/26 Assemble SubsystemsAll9/310/29 Attach Lean/SteeringCT/JP9/2410/15 System TestingAll11/511/6 Prefect SystemAll11/511/19 Document DraftingAll11/512/3

Plan to Complete - Timeline Activity8/208/279/39/109/179/2410/110/810/1510/2210/2911/511/1211/1911/26 Design Frame Order Parts Assemble Mock- up Attach Lean/Steering Progress Report Perfect Lean/Stearing Assemble Subsystems System Testing Perfect Trike Document design

Resources Needed  Equipment  TIG Welder  Lathe  Bridgeport Vertical Mill  Arbor Press  Hand Tools  Air Compressor  Personnel  Bike Surgeon  Jeff Polus  Team Members  Money: $2,  Space: 10’ x 10’

Summary  Based off of existing designs  New functionality  Safety measures  Goal: November 3, 2013  Bike Surgeon, Jeff Polus, $2,000.00

Left with Questions? Go ahead and ask!