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XH-20 Little Henry
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XH-20 "Little Henry" Hovers on McDonnell Flight Ramp
Sponsored by the U.S. Army Air Forces/U.S. Air Force, the McDonnell XH-20 Little Henry proved that helicopters could fly using ramjets located in the tips of their rotor blades. The tip-driven rotor eliminated the need for a torque-compensating tail rotor. It did not need a transmission and was controlled with a rudder. The XH-20 was a low-cost research prototype employing open-frame, steel-tube construction. Little Henry was not a success because ramjets were too noisy and used too much fuel, so only two test models were built. One of the XH-20s is on display at the National Museum of the U.S. Air Force at Wright-Patterson Air Force Base, Ohio.
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Unique identifier
BI41753
Boeing ID
D4E-11169
Type
Image
Size
4000px × 3145px 12MB
License type
RM
Keywords
1940s
business executives
day
exteriors
factories
full body views
ground crews
ground to air
hangars
head on views
hovering
motion blur
occupations and work
one of a kind aircraft
pilots
rotorcraft blades
several/groups
small
St. Louis Flight Ramp
sunshine
tarmac
vintage / retro
XH-20 Little Henry
XHJD-1 Whirlaway
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