Three Lockheed XH-51 helicopters in flight c1965

Autor:

U.S. Department of Defense

Shortlink:

https://czwiki.cz/b/30a6d

Zdroj:

Wikimedia Commons

Formát:

1435 x 490 Pixel (438877 Bytes)

Popis:

The three experimental Lockheed XH-51 helicopters in flight (front to back): XH-51A Compound, modified with a four-bladed rotor and stub wings and an auxiliary 2,900 hp Pratt & Whitney J60-2 engine; XH-51A, it had four places and a three-bladed rotor; XH-51N, with five places, a three-bladed rotor, built for NASA test purposes.

Komentář k Licence:

"All photographs published in ALL HANDS are official Department of Defense photographs unless otherwise designated."

Licence:

Public domain

Credit:

May 1965, p. 35.
Three Experimental Lockheed XH-51 Helicopters In Flight

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