id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
874	Vivian, Evelyn Charles	A History of Aeronautics			.txt	text/plain	138487	4789	61	steam engine to develop the power necessary for flight, and in this he propeller, or an engine working wings to drive the machine forward, is flight in a power-propelled machine, and the conquest of the air was at a speed of 50 miles per hour with engines of 1,000 horse-power would horse-power Gnome rotary engine was fitted to the Farman machine--the built a two-seater tractor biplane with 80 horse-power engine, a machine machine, and this, fitted with a 50-60 horse-power Green engine, was driven by a four-cylinder, 20 horse-power, air-cooled engine which drove engine and a four-cylinder 50 horse-power Miesse, this last air-cooled air-cooled, Mercedes four-cylinder dirigible engine of 115 horse-power, and the machine was fitted with six 400 horse-power engines; almost the heavier-than-air type of flying machine, successful dirigible flight historic first aeroplane flight; this engine developed 30 horse-power, eight-cylindered engine, air-cooled, and a 150 horse-power, also	./cache/874.txt	./txt/874.txt