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Research and Experimental Aircraft
Research and Experimental Aircraft 
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McDonnell XH-20 "Little Henry" In Flight 
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Model 220 in front of McDonnell Aircraft Factory 
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McDonnell Model 79 Big Henry Rotorcraft

In 1950, McDonnell Aircraft Corp. began building its second ramjet-powered utility helicopter, called the Model 79. Nicknamed Big Henry, it was based on the McDonnell XH-20 Little Henry of the late 1940s. The single test model showed satisfactory flight characteristics during testing, but like its smaller predecessor, Big Henry's ramjet engines were too noisy and used too much fuel. It did not attract a buyer, so the project was abandoned. 
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Unique identifier BI41700 
Boeing ID D4E-32090 
Type Image 
Size 2926px × 2272px   19MB 
License type RM 
Keywords
1950s
clear skies
day
exteriors
full body views
glare
ground shots
historic production status
one of a kind aircraft
research/experimental
right side views
rotorcraft
rotorcraft blades
sunshine
unpainted
vintage / retro
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