Human Powered Tadpole TrikeTeam MembersCory Tuttle (PM)

Daniel UnesJarod Peyton

Cory SchuellerDylan Polus

Faculty AdvisorDr. Marek Szary

S13-45-TRKE

OutlineExecutive 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 Displacement

Current

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 PolusDesign points of suspension

Single 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 PeytonDesign points of frame

Aluminum 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 - AILActivity Person Assigned Due

Component Design All 8/20 9/17Order Parts CT 8/20 10/1Assemble Mock-up CT/DP 9/10 9/24Test Mock-up CT 9/24 9/26Assemble Subsystems All 9/3 10/29Attach Lean/Steering CT/JP 9/24 10/15System Testing All 11/5 11/6Prefect System All 11/5 11/19Document 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!