How to Use the Images

Table of
Contents

Photo 5: Bicycle chain and sprocket used to power propellers on the Wright airplane.

Questions for Photo 5

1. Notice the many gears and chains that power the propellers. Do they remind you of anything? How does Photo 5 show that the brothers' experiences with the bicycle played a critical role in developing the first powered flying machine?

2. How is riding a bicycle similar to flying? How did the Wright brothers make this connection? If needed, refer to Reading 3.

3. Why are balance and control key elements in flying airplanes? If needed, refer to Reading 3.

* The photo on this screen has a resolution of 72 dots per inch (dpi), and therefore will print poorly. You can obtain a larger version of Photo 5, but be aware that the file will take as much as 30 seconds to load with a 28.8K modem.