Reeve Aleutian Airways was started with a down payment of $3,000 on one DC-3aircraft, and that Robert Campbell Reeve, the founder, earned enough money in 53 days to purchase the aircraft outright and buy another three aircraft?
Question 1: A model aircraft is a small unmanned type made to fly for fun, for static display, for aerodynamic research (cf ________) or for other purposes.
Question 4: The motorjet was a very early design which used a piston engine in place of the combustion chamber, similar to a ________ piston engine except that the thrust is derived from the turbine instead of the crankshaft.
Question 5: They are characterized by one or more large gasbags or canopies, filled with a relatively low density gas such as ________, hydrogen or hot air, which is less dense than the surrounding air.
Question 6: Tiltrotor aircraft (such as the ________) have their rotors horizontal for vertical flight, and pivot the rotors vertically like a propeller for forward flight.
Question 9: Use of a turbine is not absolutely necessary: other designs include the crude pulse jet, high-speed ________ and the still-experimental supersonic-combustion ramjet or scramjet.
Question 10: Small hot air balloons called sky lanterns date back to the 3rd century BC, and were only the second type of aircraft to fly, the first being ________.
Top topics
Wikis
Quiz
Facts
Map
Misc
Search