Naval Aircraft Factory TDN

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TDN
Naval Aircraft Factory TDN-1 piloted.jpg
RoleAssault drone
National originUnited States
Manufacturer Naval Aircraft Factory
First flight15 November 1942
Primary user United States Navy
Number built104-114 [1]

The Naval Aircraft Factory TDN was an early unmanned combat aerial vehicle - referred to at the time as an "assault drone" - developed by the United States Navy's Naval Aircraft Factory during the Second World War. Developed and tested during 1942 and 1943, the design proved moderately successful, but development of improved drones saw the TDN-1 relegated to second-line duties, and none were used in operational service.

Contents

Design and development

The development of the radar altimeter and television in the early 1940s made remotely guided bomb- or torpedo-carrying aircraft a practical proposition. [2] In January 1942, the Naval Aircraft Factory was instructed to initiate the development of such an aircraft, with a go-ahead for prototype construction being given in February. [3] A production contract for 100 aircraft was issued in March, with John S. Kean being assigned as TDN-1 project manager, [4] with the aircraft being designed to be capable of using either television or radar guidance. [5] Constructed mainly from wood, the TDN-1 had a fixed tricycle landing gear, and could be fitted with a conventional cockpit in place of its guidance equipment for test flights. [1]

In an example of the use of companies traditionally uninvolved in the aviation industry to reduce interference with higher priority projects, production of the final thirty aircraft was licensed to the Brunswick-Balke-Collender Company, a Michigan-based manufacturer of bowling balls and billiard tables. [6]

Operational history

One hundred production TDN-1 aircraft were ordered in March 1942. [7] Despite being specifically designed to be a simple, low-performance aircraft, [8] and despite proving promising in testing, the type was considered to be too complicated and expensive for use operationally. The improved Interstate TDR was selected for development as an alternative, [7] the majority of TDN-1s being used in the test, liaison and training roles, with some being expended as aerial targets. [1] The TDN-1 is often credited as the first US drone to take off from an aircraft carrier freely (USS Sable). An Airspeed Queen Wasp had already been catapulted from HMS Pegasus in 1937.

Variants and operators

Flag of the United States (1912-1959).svg United States Navy

XTDN-1
Four prototype aircraft powered by Franklin O-300 engines. [8]
TDN-1
Production version of XTDN-1; 100 aircraft produced. [9]

Specifications (TDN-1)

TDN-1 aircraft aboard USS Sable. USS Sable (IX-81) launching a Naval Aircraft Factory TDN-1 drone (80-G-387168) on 10 August 1943.jpg
TDN-1 aircraft aboard USS Sable.

Data from [8]

General characteristics

Armament

See also

Aircraft of comparable role, configuration, and era

Related lists

Related Research Articles

Naval Aircraft Factory

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MA-31 Target drone

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Interstate XBDR

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Radioplane Q-1

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Fairchild BQ-3

The Fairchild BQ-3, also known as the Model 79, was an early expendable unmanned aerial vehicle – referred to at the time as an "assault drone" – developed by Fairchild Aircraft from the company's AT-21 Gunner advanced trainer during the Second World War for use by the United States Army Air Forces. Two examples of the type were built and flight-tested, but the progress of guided missiles rendered the assault drone quickly obsolete, and the type was not produced.

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McDonnell TD2D Katydid American target drone

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MQR-16 Gunrunner Target drone

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Glomb Glide bomb

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Taylorcraft LBT

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Fleetwings BQ-1

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Fleetwings BQ-2

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Culver PQ-10

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Radioplane OQ-17

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Republic SD-3 Snooper

The Republic SD-3 Snooper was an early reconnaissance drone developed by Republic Aviation for the United States Army. It was evaluated by the Army Signal Corps in 1959, but did not enter operational service.

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The Republic SD-4 Swallow was an early high-speed reconnaissance drone developed by Republic Aviation for the United States Army. Intended for use by the U.S. Army Signal Corps to target tactical ballistic missiles, it was cancelled before the first prototype could be completed, and did not see operational service.

Fairchild SD-5 Osprey

The Fairchild SD-5 Osprey was an early high-speed reconnaissance drone developed by Fairchild Aircraft for the United States Army. Intended for use by the U.S. Army Signal Corps to target tactical ballistic missiles, it was cancelled before the first prototype could be completed, and did not see operational service.

References

Citations

  1. 1 2 3 Goebel 2010
  2. ↑ Parsch 2005
  3. ↑ Naval Aviation News, Volume 55 (January 1973). p.12.
  4. ↑ Trimble 1990, p. 263.
  5. ↑ Newcome 2004, p.67.
  6. ↑ Cunningham 1951, p.91.
  7. 1 2 Zaloga 2008, p.8.
  8. 1 2 3 Parsch 2003.
  9. ↑ Trimble 1990, p.267.

Bibliography

  • Cunningham, William Glenn (1951). The Aircraft Industry: A study in industrial location . Los Angeles: L.L. Morrison. ASIN   B0007DXJL2 . Retrieved 2010-11-18. TDN.
  • Goebel, Greg (2010). "The Aerial Torpedo". Cruise Missiles. VectorSite. Retrieved 2010-11-18.
  • Newcome, Lawrence R. (2004). Unmanned Aviation: A Brief History of Unmanned Aerial Vehicles. Reston, Virginia: American Institute of Aeronautics and Astronautics. ISBN   978-1-56347-644-0.
  • Parsch, Andreas (2003). "TD Series". Directory of U.S. Military Rockets and Missiles, Appendix 1: Early Missiles and Drones. designation-systems.net. Retrieved 2010-11-18.
  • Parsch, Andreas (2005). "Interstate BQ-4/TDR". Directory of U.S. Military Rockets and Missiles, Appendix 1: Early Missiles and Drones. designation-systems.net. Retrieved 2010-11-17.
  • Trimble, William F. (1990). Wings for the Navy: A History of the Naval Aircraft Factory 1917-1956. Annapolis, MD: Naval Institute Press. ISBN   978-0-87021-663-3.
  • Zaloga, Steven (2008). Unmanned Aerial Vehicles: Robotic Air Warfare 1917-2007. New Vanguard. 144. New York: Osprey Publishing. ISBN   978-1-84603-243-1.
Further reading
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