Radioplane XKD4R

XKD4R
Role Target drone
National origin United States
Built by Radioplane
First flight January 1958
Primary user United States Navy
Developed into AQM-38

The Radioplane XKD4R, known by the company designation RP-70, was an American target drone developed by the Radioplane Division of the Northrop Corporation. Although it was not produced in quantity, it was developed into the successful AQM-38.

Design and development

The XKD4R was an air-launched target drone, powered by a single Aerojet solid-fuel rocket engine which exhausted through nozzles located at the trailing edges of the wing.[1] Constructed largely of molded plastic,[1] it utilized an unconventional control configuration, consisting of three canard control fins located forwards, one on top of and one on either side of the fuselage, and fixed horizontal fins at the rear. An autopilot controlled the drone after launch; at the end of an approximately nine-minute flight, a parachute was deployed for recovery.[2]

Operational history

Conducting its first flight in January 1958,[2] the XKD4R-1 was tested extensively by the United States Navy, launches usually being conducted from McDonnell F3H Demon fighters.[3] Although satisfactory, the RP-70 was not produced; instead, the improved RP-76 was developed, flying in 1959 and being produced for both the U.S. Air Force and Navy, becoming the AQM-38 in 1962.[2]

Specifications (XKD4R-1)

Data from Parsch[2]

General characteristics

Performance

See also

Related development
Aircraft of comparable role, configuration and era
Related lists

References

Citations
  1. 1 2 "New American Missiles". Flight, 8 February 1957. Volume 71, No. 2507. p.167.
  2. 1 2 3 4 Parsch 2003
  3. ↑ Fahey 1958, p.41.
Bibliography
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