Sketch Model Review Pink B 10/4/18 10/4/18 2.009 Pink Team - - PowerPoint PPT Presentation

sketch model review pink b 10 4 18 10 4 18 2 009 pink
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Sketch Model Review Pink B 10/4/18 10/4/18 2.009 Pink Team - - PowerPoint PPT Presentation

Sketch Model Review Pink B 10/4/18 10/4/18 2.009 Pink Team 2.009 Pink Team Bikers going over handle bars >500,000 injuries requiring hospital emergency department in 2013


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SLIDE 1

10/4/18 2.009 Pink Team 10/4/18 2.009 Pink Team

  • Sketch Model Review

Pink B

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SLIDE 2

10/4/18 2.009 Pink Team 10/4/18 2.009 Pink Team

  • Bikers going over handle bars
  • >500,000 injuries requiring hospital emergency department in 2013
  • >55% from falls from bike and flipping over handlebars
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SLIDE 3

10/4/18 2.009 Pink Team 10/4/18 2.009 Pink Team WEIGHT

TENSION SLACK

NORMAL RIDING FLIPPING OVER

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SLIDE 4

10/4/18 2.009 Pink Team 10/4/18 2.009 Pink Team

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SLIDE 5

10/4/18 2.009 Pink Team 10/4/18 2.009 Pink Team

  • Lessons
  • Input force from rear wheel must be high
  • Friction will cause problems
  • Brake wires cannot turn sharply
  • Areas of exploration
  • Test variations to front and rear mechanisms to scale
  • Hybrid mechanical and electrical system
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SLIDE 6

10/4/18 2.009 Pink Team 10/4/18 2.009 Pink Team

  • Sure Stop
  • One brake lever controls braking on

both wheels

  • Anti-Lock Braking Systems
  • Vibrations prevent brakes from locking
  • Espensive electrical system
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SLIDE 7

10/4/18 2.009 Pink Team 10/4/18 2.009 Pink Team

  • ~80 million bike riders
  • Mountain bike sales
  • ~25% of all US sales accounted by mountain bikes
  • >35% of projected future sales
  • >$45 billion global bike market
  • Growing steadily at ~5% per year