National Helicopter Museum National Helicopter Museum traces the evolution of the rotary wing from early predecessors like the boomerang and Chinese tops to designs by Leonardo da Vinci and George Cayley to early motorized experiments to modern helicopters of today. Igor Sikorsky's first helicopter success in Stratford on September 14, 1939 is documented as well as his subsequent productions. Also displayed are the small gas turbine engines developed locally by Dr. Anselm Franz at Avco Lycoming which power such helicopters as the Bell Helicopter UH-1 Iroquois or "Huey" and the Boeing CH-47 Chinook. Other exhibits include ones on tilt rotor development; current photos
Lake Billy Chinook nine [[List of National Natural Landmarks in Oregon|National Natural Landmarks in Oregon]]. [[Category:Jefferson County, Oregon]] [[Category:Lakes of Jefferson County, Oregon|Billy Chinook]] [[Category:Reservoirs in Oregon|Billy Chinook]] [[Category:1964 establishments in Oregon]] Lake Billy Chinook Lake Billy Chinook is a reservoir in Jefferson County in the U.S. state of Oregon. Created by the Round Butte Dam in 1964, Lake Billy Chinook lies in a canyon at the confluence of the Crooked, Deschutes, and Metolius rivers near Culver and Madras. It was named for Billy Chinook, a Native American of the Wasco tribe who traveled alongside American explorers John C. Frémont and Kit Carson