The X-13 was designed to research the practiocality of vertical
takeoff and landing by jet aircraft. This X series aircraft was
first flown conventionally on December 10, 1955. It was then fitted
with a temporary "tail sitting" rig and first flew from
a vertical position into hover on May 28, 1956.. Finally on April
11, 1957, it accomplished its first full-cycle flight at Edwards
Air Force Base in the desert of California.
Span: 21 ft.
Length: 24 ft.
Height: 15 ft.
Weight: 7,200 lbs. max.
Engine: Rolls-Royce "Avon" of 10,000 lbs. thrust.