| 21. | Many kinds of power plant have been used to drive propellers.
|
| 22. | The A-1 was also fitted with a larger propeller.
|
| 23. | The rest is transmitted through the reduction gearing to the propeller.
|
| 24. | Frederic Sauvage developed his first propeller in Le Havre in 1833.
|
| 25. | In 1918, Jamestown Corp . formed to make airplane propellers.
|
| 26. | Failure to do so damaged both the propeller and the runway.
|
| 27. | D . VIIs flew with different propeller designs from different manufacturers.
|
| 28. | The two outer propellers were single and powered by single engines.
|
| 29. | She used four Westinghouse geared turbines connected to four diameter propellers.
|
| 30. | It was propelled vertically and horizontally by hand-cranked propellers.
|
