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XH-20 Little Henry
The McDonnell XH-20 Little Henry was the world's first ramjet helicopter.
McDonnell Aircraft XH-20 Little Henry
BI45022 (BIV15_XH-20_01)
McDonnell Aircraft XH-20 Little Henry
Sponsored by the U.S. Army Air Forces/U.S. Air Force, the McDonnell XH-20 Little Henry proved that helicopters...
XH-20 "Little Henry" Hovers on McDonnell Flight Ramp
BI41753 (D4E-11169)
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...
McDonnell XH-20 "Little Henry" In Flight
BI41758 (D4H(D4E)-11576-1)
McDonnell XH-20 "Little Henry" In Flight
Sponsored by the U.S. Army Air Forces/U.S. Air Force, the McDonnell XH-20 Little Henry proved that helicopters...
XHJD-1 Whirlaway and XH-20 Little Henry on St. Louis Flight Ramp
BI21178 (d4c-10543)
XHJD-1 Whirlaway and XH-20 Little Henry on St. Louis Flight Ramp
The XHJD-1 Whirlaway, built in 1946 for the Navy, was the world's first twin-engine helicopter. It weighed...
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