AndrewDressel

Andrew Dressel

Feel free to contact me by leaving a message on my talk page.

Questions that remain unanswered

• What exactly is the requirement for track bike bottom bracket height?
• What exactly is the role of spinning engine parts in motorcycle stability?

Background

A little about me so that you might know where I'm coming from.

Locations

Raised in Cheshire, Connecticut

Lived in Troy, New York; Boca Raton, Florida; Kiev, Ukraine; Ithaca, New York

Currently reside in Milwaukee, Wisconsin, USA

Links

• me at UWM
• me on LinkedIn
• me on Flickr
• me on Twitter
• Bad Bicycle Science on WordPress
• Good Bicycle Science on WordPress

Education

Cheshire High School 1980

BS in Computer Science from Rensselaer Polytechnic Institute 1985

MEng in Mechanics from Cornell University 2003

MS in Theoretical and Applied Mechanics from Cornell University 2006

PhD in Civil Engineering and Mechanics from University of Wisconsin-Milwaukee 2013

Work Experience

Founder, software developer and product manager at MapInfo Corporation

General Manager of the Kiev Business Incubator at Kiev Polytechnic Institute in Kiev, Ukraine

Teaching Assistant of Statics, Dynamics, and Strength of materials at Cornell University

Substitute teacher of math and science in Connecticut public high schools

Hot air balloon pilot and chase crew at Castle View Balloons

Bicycle mechanic at Wheel & Sprocket and Crank Daddy's

Lecturer in Statics, Dynamics, Strength of materials, and Finite element analysis at University of Wisconsin-Milwaukee

Adjunct Assistant Professor in Mechanical Engineering at Milwaukee School of Engineering

Director of the Bicycle and Motorcycle Engineering Research Laboratory at University of Wisconsin-Milwaukee

Bikes

Trek Soho with 8-speed hub and belt drive

Felt B2 Pro time trial bicycle with 10-speed Dura-Ace from 2010

Gary Fisher Supercaliber full suspension mountain bike from 2006

Litespeed Ultimate racing bicycle with 8-speed Dura-Ace from 1994

Burley Rumba Tandem from 1999

Burley Canto Recumbent from 2002

Cannondale Criterium with 12-speed 105 from 1988

Trek 620 with 18-speed Suntour from 1984

Bianchi steel mountain bike converted to winter commuter with slicks, lights, and fenders (retired and scrapped)

Orbea Ordu time trial bicycle from 2007 (wrecked and scrapped)

Single speed built up from old Raleigh steel road frame and Specialized Langster running gear (gifted)

Bike Friday DoubleDay recumbent tandem (sold)

Trek 710 with 12-speed Suntour from 1981 (gifted)

Torker Unicycle (cannibalized)

Moto Guzzi California Special (sold)

Kawasaki Vulcan (sold)

Yamaha FZR600 (sold)

Memberships

This user is a participant in WikiProject Cycling. This user is a participant in WikiProject Motorcycling. This user is a participant in WikiProject Aviation. This user is a participant in WikiProject Aircraft. PhDThis user has a Doctor of Philosophy degree in Engineering Mechanics.

This user has helped promote 1 good article on Wikipedia. This user has written or expanded 12 articles featured in the Did You Know section on the Main Page. This user has been on Wikipedia for 18 years, 5 months and 30 days. This user has created 89 articles on Wikipedia. This editor is a Veteran Editor III and is entitled to display this Silver Editor Star.

Contributions, an incomplete list

First edit on 14 May 2006 at 21:34

Articles I've worked on include (some may be listed in more than one section):

Bike (bicycle and motorcycle) related Bicycle and motorcycle dynamics, formerly Bicycle physics, Motorcycle physics, and Bicycle and motorcycle physics Bicycle and motorcycle geometry, created from merger of Mechanical trail, Rake (angle), Rake and trail, and Trail (bicycles) Countersteering Handlebar (since split in two) Head tube Sidecar Bicycle related 27.5 Mountain bike 29er (bicycle) Al Fritz American Star Bicycle Baisikeli Ugunduzi Bamboo bicycle Bicycle Bicycle bell Bicycle brake systems Bicycle drivetrain systems Bicycle fairing Bicycle fork Bicycle frame Bicycle gearing Bicycle handlebar Bicycle Industry Bicycle mechanic Bicycle pedal Bicycle performance Bicycle poverty reduction Bicycle rack since split into Bicycle stand, Bicycle carrier, and Luggage carrier Bicycle rollers Bicycle saddle Bicycle safety Bicycle seat Bicycle suspension Bicycle tire Bicycle tools Bicycle Torque Coupling Bicycle touring Bicycle wheel Bottle cage Bottom bracket Braze-on Cable guide Campagnolo ErgoPower Cardboard bicycle Cogset Coker Cycles Crankset Cycling Cyclocomputer David V. Herlihy Derailleur gears Diamant (bicycle) Downhill bike Downhill mountain biking Dropout (bicycle part) DW-link Electronic gear-shifting system Eugène Meyer Folding bicycle Fyxation Gearbox bicycle George Lacy Hillier Handcycles Headset (bicycle part) Head badge History of the bicycle Hotchkiss Bicycle Railroad Hub gear Humber (bicycle) Hybrid bicycle Ice cycle International Cycling History Conference Joe Parkin John McCammon Kangaroo bicycle KMC Chain Industrial List of bicycle manufacturers List of bicycle parts List of bicycle part manufacturers List of bicycle types List of films about bicycles and cycling Local bike shop redirected from Bike shop Master link Mountain bike Mountain biking Outline of bicycles Pedersen bicycle Penny-farthing Pope Manufacturing Company Q Factor (Bicycles) Quality Bicycle Products Quick release skewer Recumbent bicycle Ross (bicycles) Safety bicycle Santana Cycles Seatpost Shelby Cycle Company Sheldon Brown (bicycle mechanic) Softride Speedplay (bicycle pedal) SRAM Double Tap Stelber Cycle Corp Stem (bicycle part) formerly Stem (bike) Step-through frame including merge of Mixte Tandem bicycle Torker Touring bicycle Trailer bike Treadle bicycle Triumph Cycle Co. Ltd. Two-mass-skate bicycle Upright bicycle (since merged into Safety bicycle) Utility bicycle Van Dessel Sports Wheelie bike Whippet (bicycle) Wippermann With My Own Two Wheels World Bicycle Relief Xtracycle

Human-powered vehicle related Human-powered hydrofoil Human-powered land vehicle Human-powered watercraft Hydrocycle Motorcycle related Cabin cycle Chicken strips Feet forwards motorcycle Gyrocar Motorcycle Motorcycle fairing Motorcycle fork including merger of Fork tube and Triple tree Motorcycle handlebar Motorcycle history Motorcycle safety Motorcycle trailer Motorcycle tyre Suspension (motorcycle) Trail braking V-twin Tire related Bicycle tire Camber thrust Coker Tire Hutchinson SNC Kenda Rubber Industrial Company Motorcycle tyre Outline of tires Pneumatic trail Relaxation length Slick tyre Tire Tubular tyre Vittoria S.p.A. Vredestein Banden B.V. Unicycle related Unicycle Unicycling Wikipedia:WikiProject Council/Proposals Vehicle related Fairing Load transfer Single-track vehicle Spoke Steering ratio Stoppie Suspension (vehicle) Trailer (vehicle) Vehicle dynamics Weight transfer Wheelbase Wheelbuilding Wheelie Wire wheels Aircraft related Aircraft fairing Balloon related Balloon (aircraft) History of ballooning Hot air balloon Hot air ballooning GIS related Geographic information system MapInfo Corporation Sean O'Sullivan (engineer) Math related Emmanuel Carvallo Dini's surface Mechanics related Cat righting reflex Double inverted pendulum Eccentric (mechanism) Endurance limit redirected to Fatigue limit Euler's laws Fatigue (material) Fatigue limit Fatigue strength redirected to Fatigue limit Free body diagram Friction Gyroscope Hirth joint List of topics named after Leonhard Euler Momentum Newton's laws of motion Nutation NuVinci Continuously Variable Transmission Precession Precession (mechanical) Reactive centrifugal force Rigid body dynamics Rolling resistance Rotating spline Wedge (mechanical device) Travel related Hubbard Park (Shorewood, Wisconsin) Mwingi, Kenya Smithville, Burlington County, New Jersey St Michael and All Angels Church, Blantyre, Malawi University of Malawi

• indicates articles I've created
• indicates articles featured on Did you know?
• indicates good article

Pictures

Images uploaded so far 139 (132 cur, 7 old)

• Hot air balloon pilot and passenger
  Hot air balloon pilot and passenger
• 
  Hot air balloon chase vehicle
• 
  Bike model
• 
  Bike weave animation
• 
  Graph of bike eigenvalues
• 
  Bike external forces
• 
  Graphs of bike countersteer response
• 
  Free body diagram bike lean forces
• 
  Free body diagram of block on ramp
• 
  Graph of stress vs number of cycles
• 
  Bicycle banana seat and sissy bar
• 
  Aero seatpost
• 
  Bowden cable
• 
  Bicycle brake cable detangler
• 
  Bicycle downtube shifters
• 
  Bicycle dual-pivot calliper brakes
• 
  Tandem bicycle eccentric bottom bracket
• 
  Bicycle handlebar with harlequin wrap
• 
  Humber bicycle fork
• 
  Trailing link suspension bicycle fork
• 
  Rod brake on a Triumph
• 
  Westwood rim
• 
  Bicycle rear dropout
• 
  Loaded touring recumbent bicycle
• 
  Loaded touring tandem bicycle
• 
  Triumph bicycle
• 
  Hero bicycle
• 
  Bicycle sidecar
• 
  Bianchi head badge
• 
  Ellsworth head badge
• 
  IRO head badge
• 
  Milwaukee Bicycle Co. head badge
• 
  Motorcycle clip-on handlebar
• 
  Honda longitudinal V-twin
• 
  Torker unicycle
• 
  Unicycle hub
• 
  Steer angle and lean angle vs speed
• 
  Hands off steer angle vs speed
• 
  Lean angle from weight
• 
  Dini's surface
• 
  Two-mass-skate bicycle
• 
  Stability eigenvalues for an example motorcycle
• 
  Root locus plot of motorcycle stability eigenvalues
• 
  Cannondale Headshok front suspension
• 
  Camber thrust
• 
  Contact patch showing slip angle and pneumatic trail
• 
  Epicyclic gears in a bicycle hub gear
• 
  Computer rendering of Euler's Disk on a slightly concave base

Photo and image credits (just for fun)

• How Can I Choose Products That Give Back? By Joe Jackson, Oct 23, 2013 on Outside Online
• Encouraging Bicycle Tourism In Oregon. By Geoffrey Riley & Charlotte Duren, NOV 6, 2013 on Jefferson Public Radio
• Who came up with your least favorite tech buzzwords? by Josh Fruhlinger, April 21, 2014 on ITworld
• The Squeaky Luggage Rack. By Chip Muston, August 2, 2016 on Life Share Technologies
• The African Bicycle Contribution Foundation
• The Humble Bike: Serving Us Well Into The Future. On Yellow Magpie
• Five Useful Christmas Gifts for Cyclists. On Fit Citizen
• Bike Fact Book - Unusual Information About Bicycles and Bicycling. By Jeff Napier, 2013 on 500ways
• The First Home Trainers. By Aaron Cripps, October 27, 2014 on Cycling History
• Krishna and the Art of Bicycle Maintenance. By Rohini-suta dasa (Ronald E. Boutelle) on Ancient Vedic Radio
• What is rolling friction? By Adit Akarsh, Oct 12, 2015 on Quora
• What are the keys to making the fastest Lego race car? By Paul Reiber, Apr 15, 2016 on Quora (and "featured in Forbes")
• Fren Sistemi on Bisiklet Gezgini

Places I've visited

United States Canada

Costa Rica Mexico Nicaragua Panama El Salvador

Bahamas Cuba Jamaica Martinique Saint Kitts and Nevis Saint Vincent

Bolivia Brazil Colombia Ecuador Peru

Austria Belgium Denmark England Estonia Finland France Germany Iceland Ireland Italy Latvia Lithuania Luxembourg Netherlands Norway Portugal Spain Sweden Switzerland Vatican City

Albania Croatia Czech Republic Hungary Montenegro Poland Russia Slovenia Ukraine

Comoros Kenya Malawi Morocco Mozambique Tanzania Tunisia Uganda

Australia Cambodia China Hong Kong India Japan Laos Malaysia Mongolia Nepal Thailand Vietnam

Interesting tools

• WikiScanner
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