1. Flight
... that carried out by Sir Hiram Maxim. His numerous experiments with propellers, culminated in the construction of a huge, four-ton biplane in 1890. This contraption was powered by two 180hp steam engines that each drove propellers 17ft, 10inches in diameter and weighing 135lbs. The two-blade propellers, inversely tapered and squared at the tips 5 ½ ft wide, were made of American Pine ... during takeoffs and during cruise. One of the most interesting developments during this period was the introduction of a propeller that could "feather-. This greatly reduced prop drag and was a multi-en...
- Word Count: 1526
- Approx Pages: 6
- Grade Level: High School