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From: Miloch <Miloch_member@newsguy.com>
Newsgroups: alt.binaries.pictures.aviation
Subject: McDonnell XH-20 Little Henry
Date: 8 Aug 2019 06:40:05 -0700
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https://en.wikipedia.org/wiki/McDonnell_XH-20_Little_Henry
The McDonnell XH-20 Little Henry was a 1940s American experimental lightweight
helicopter designed and built by McDonnell Aircraft.
The McDonnell Model 38 was a lightweight experimental helicopter sponsored by
the United States Army Air Force to test the concept of using small ramjets at
the tips of the rotor blades. As a functional helicopter it was of simple
open-frame steel-tube construction. Allocated the military designation XH-20 the
first of two first flew on the 29 August 1947.
Although the XH-20 flew successfully the ramjets were noisy and burnt a large
amount of fuel and plans to build a larger two-seat XH-29 were abandoned.
Role
Experimental ramjet-rotor powered helicopter
National origin
United States
Manufacturer
McDonnell Aircraft
First flight
29 August 1947
Primary user
United States Air Force
Number built
2
Specifications
General characteristics
Crew: 1
Length: 12 ft 6 in (3.81 m)
Height: 6 ft 8 in (2.03 m)
Empty weight: 290 lb (132 kg)
Main rotor diameter: 20 ft (6.1 m)
Performance
Maximum speed: 50 mph (80 km/h; 43 kn)
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