This Day in Aviation History
April 22nd, 1958
First flight of the Boeing Vertol 107.
 
Piasecki Helicopter was a pioneering developer of tandem-rotor helicopters, with the most famous previous helicopter being the H-21 “Flying Banana”. Piasecki Helicopter became Vertol in 1955 and work began on a new tandem rotor helicopter designated the Vertol Model 107 or V-107 in 1956. The V-107 prototype had two Lycoming T53 turboshaft engines, producing 877 shp (640 kW) each. The first flight of the V-107 took place on 22 April 1958. The V-107 was then put through a flight demonstration tour in the United States and overseas. In June 1958, the U.S. Army awarded a contract to Vertol for ten production aircraft designated “YHC-1A”…..
 
Source:
Wikipedia, Boeing Vertol CH-46 Sea Knight: http://gstv.us/1Dfjh1t
 
YouTube, Breathtaking Vertol air display: http://gstv.us/1NmYrrD
 
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Photo from: http://gstv.us/1NmZ4RZ
 
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