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Evolution of bicycle

Evolution of bicycle. Outline of the lesson. Development of bicycle Beneficial uses Diagram of modern bicycle Types of bicycles. 1817 Draisinne (hobby). First bike ever invented by Baron Karl Drais von Sauerbronn Made of wood

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Evolution of bicycle

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  1. Evolution of bicycle

  2. Outline of the lesson • Development of bicycle • Beneficial uses • Diagram of modern bicycle • Types of bicycles

  3. 1817 Draisinne (hobby) • First bike ever invented by Baron Karl Drais von Sauerbronn • Made of wood • Problems: Could not steer the bicycle, had to walk since no pedals

  4. 1861 Velocipede • Wheels are two different sizes • Improvements: Has pedals on front wheel, harder to break • Problems: Heavy, hard to steer, Not fast, requires a lot of energy

  5. 1870 Penny Farthing bicycle • Used metal and rubber and that made them lighter than previous design. • Improvements: Hard to break and lighter. • Problem: Dangerous

  6. 1890 • First air filled tires • Improvements: New and better bicycle design, therefore less dangerous

  7. 1900 • Bikes become more popular and preferable as a transportation tool

  8. Beneficial reasons • It's cheaper • It reduces pollution and energy use • You'll get exercise on your way to your destination

  9. Diagram of modern bicycle

  10. Types of modern bicycles • Tricycle, mountain, racing, BMX, tandem

  11. Question. • Why are people working on redesigning bikes when the one we have work?

  12. Conclusion • Bikes have been evolved through the past 200 years. • Redesigning as new problems interfered with the daily involvements of bicycles with individuals • Forcing them to change the design for their own needs.

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