Human Powered Tadpole TrikeTeam Members

Cory Tuttle (PM)

Daniel Unes

Jarod Peyton

Cory Schueller

Dylan Polus

Faculty Advisor

Dr. Marek Szary

S13-45-TRKE

Outline

Executive Summary | Cory TuttleDiscussion

Brake System | Daniel UnesElectrical System | Jarod PeytonDrivetrain | Cory SchuellerSuspension | Dylan PolusFrame | Jarod PeytonWheels | Cory TuttleSteering System | Jarod Peyton

Summary (CT)

Executive SummaryWhere it started…Overall design points

Increase stability Increase safety

Total Estimated Cost: $2,000.00Completion Date: November 3, 2013Deliverables

Instruction ManualAssembly ManualPrototype Unveiling

Price List

Part Price Drivetrain $508.50 Wheels $417.88 Lean Stearing $245.08 Brakes $233.60 Frame $229.62 Suspension $185.00 Contingency $180.32

Total: $2,000.00

Block Diagram

Swing ArmInitial

DisplacementUpward

ForceShock Absorber

Frame

Reduced Upward Force Seat / Rider

Final Displacement

Steering HandleArm Force Reaction Force

LinkagesReaction

ForceHub Mount Δθx

VelocityForce

Hub Mount

Force

Variable Rate Spring

Δθz

Pedals / Crank TorqueLeg Force Chain Tension Rear Cassette ω / VelocityTorque Wheel

LeverFinger Force CableTensionForce

Caliper Lever

Force

Brake Pad Brake Disk

Force

Deceleration

SwitchInitial

DisplacementCurrent

Battery

Circuit Brake LED Photo ResistorSunset Current Circuit Headlight

Electrical

Suspension

Brakes

Drivetrain

Steering / Leaning

Brake System | Daniel Unes

Design points of braking systemDisksParking 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 SchuellerDesign points of drivetrain

Chain and sprocket Idler pulleysDerailleur

Pros / cons of different systemsUniversal joint driveshaftBelt driven

Suspension | Dylan Polus

Design points of suspensionSingle pivotRear swingarmSingle shock absorber

Pros / cons of different systemsLinkage driven single pivot Four bar linkage

SpecificationsMaximum travel: 4 inches

http://grabcad.com/library/bike-shock-absorber By Vladimir Izmailovhttp://grabcad.com/library/trike-rear-swing-arm By Robert Stein

Frame | Jarod Peyton

Design points of frameAluminum tubingTIG welded

SpecificationsLow CGMaximum supported weight: 300 lbsAccommodate varying rider sizes

Wheels | Cory Tuttle

Wheel selection factorsSafetySizeRadial vs. lateral loadingAppendage protection

Aesthetics

Steering | Jarod Peyton

Design points of steering systemWork off of centripetal forceAckermann & CastorAckermann – radial compensationCastor – centering

SpecificationsMaximum lean angle ≥ 55°Minimum turn radius: 12’ 6”

Plan to Complete - AIL

Activity Person Assigned DueComponent Design All 8/20 9/17

Order Parts CT 8/20 10/1

Assemble Mock-up CT/DP 9/10 9/24

Test Mock-up CT 9/24 9/26

Assemble Subsystems All 9/3 10/29

Attach Lean/Steering CT/JP 9/24 10/15

System Testing All 11/5 11/6

Prefect System All 11/5 11/19

Document Drafting All 11/5 12/3

Plan to Complete - TimelineActivity 8/20 8/27 9/3 9/10 9/17 9/24 10/1 10/8 10/15 10/22 10/29 11/5 11/12 11/19 11/26

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

EquipmentTIG WelderLatheBridgeport Vertical MillArbor PressHand ToolsAir Compressor

Personnel Bike SurgeonJeff PolusTeam Members

Money: $2,000.00Space: 10’ x 10’

Summary

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

Left with Questions?

Go ahead and ask!