Utiliser "screw propeller" dans une phrase

1. Is spite of that, some American engineers also had been experimenting with iron hulls and screw propellers in order to handle the bigger engines built after 1840

2. I'm not a triple screw propeller

3. These were the building of iron instead of wooden ships and the replacing of the paddle wheel by the screw propeller

4. Triple-screw propellers have since then been introduced in some of the greater ships, and the record speed has been cut down to the four days and ten hours of the Lusitania in 1908 and the four days, six hours and forty-one minutes of the Mauretania in 1910