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==Operational history==
==Operational history==
Two Y-1S, serial numbers 0908 and 0909, were used for radio controlled development trials by the United States Navy as the JH-1.<ref name="Andrade" /> A successful unmanned radio-controlled flight was made with a JH-1 drone on 23 December 1937 at the Coast Guard Air Station, Cape May, N.J. Takeoff and landing was controlled via a landbased radio set; for flight maneuvers, control was shifted to an airborne TG-2<ref>Armstrong, William J., and Roy A. Grossnick. United States Naval Aviation, 1910-1995. 4 ed. Washington: Naval Historical Center, 1997. Print.</ref>.
Two Y-1S, serial numbers 0908 and 0909<ref>"Aircraft: Stearman-Hammond JH-1" AeroWeb: The Aviation Enthusiast Corner. Web. 3 Aug. 2010. <http://www.aero-web.org/specs/stearham/jh-1.htm>.</ref>, were used for radio controlled development trials by the United States Navy as the JH-1.<ref name="Andrade" /> A successful unmanned radio-controlled flight was made with a JH-1 drone on 23 December 1937 at the Coast Guard Air Station, Cape May, N.J. Takeoff and landing was controlled via a landbased radio set; for flight maneuvers, control was shifted to an airborne TG-2<ref>Armstrong, William J., and Roy A. Grossnick. United States Naval Aviation, 1910-1995. 4 ed. Washington: Naval Historical Center, 1997. Print.</ref>.


The [[Royal Air Force]] also evaluated a former [[KLM]] Y-1S in the 1940s.<ref name="Orbis" />
The [[Royal Air Force]] also evaluated a former [[KLM]] Y-1S in the 1940s.<ref name="Orbis" />

Revision as of 23:18, 3 August 2010

Stearman-Hammond Y-1
Role Utility monoplane
National origin United States
Manufacturer Stearman-Hammond Aircraft Corporation
Designer Dean B. Hammond
Number built approx 20

The Stearman-Hammond Y-1 was a 1930s American utility monoplane built by the Stearman-Hammond Aircraft Corporation and evaluated by the United States Navy and the British Royal Air Force.[1]

Development

In the early 1930s Dean Hammond designed the Hammond Model Y a low-wing monoplane twin-boom pusher monoplane.[1] Hammond cooperated with the aircraft designer Lloyd Stearman to develop the type for production.[1] They formed the Stearman-Hammond Aircraft Corporation in 1936 to built the aircraft as the Stearman-Hammond Y-1.[1] The first aircraft was powered by a 125hp (93kW) Menasco C-4 piston engine driving a pusher propeller.[1] The performance was not impressive so it was re-engined with a 150hp (112kW) Menasco C-4S and re-designated the Y-1S.[1] Although designed to be easy to fly the high price meant only 20 aircraft were produced.[1]

Operational history

Two Y-1S, serial numbers 0908 and 0909[2], were used for radio controlled development trials by the United States Navy as the JH-1.[3] A successful unmanned radio-controlled flight was made with a JH-1 drone on 23 December 1937 at the Coast Guard Air Station, Cape May, N.J. Takeoff and landing was controlled via a landbased radio set; for flight maneuvers, control was shifted to an airborne TG-2[4].

The Royal Air Force also evaluated a former KLM Y-1S in the 1940s.[1]

Variants

Hammond Model Y
Prototype for the 1934 Bureau of Air Commerce safe airplane competition.
Stearman-Hammond Y-1
Prototype aircraft with a 125hp (93kW) Menasco C-4 engine.
Stearman-Hammond Y-1S
Production aircraft with a 150hp (112kW) Menasco C-4S engine.
JH-1
United States Navy designation for two Y-1S used for tests.[3]

Operators

 Netherlands
KLM
 United Kingdom
 United States

Aircraft on display

Specifications (Y-1S)

General characteristics

  • Crew: 1
  • Capacity: 1
  • Wingspan: 40 ft 0 in (12.19 m)
  • Powerplant: 1 × Menasco C-4S piston engine, 150 hp (110 kW)

Performance

  • Maximum speed: 130 mph (210 km/h, 110 kn) at 3000ft (915m)

See also

References

Notes

  1. ^ a b c d e f g h Orbis 1985, p. 2958
  2. ^ "Aircraft: Stearman-Hammond JH-1" AeroWeb: The Aviation Enthusiast Corner. Web. 3 Aug. 2010. <http://www.aero-web.org/specs/stearham/jh-1.htm>.
  3. ^ a b Andrade 1979, p. 198
  4. ^ Armstrong, William J., and Roy A. Grossnick. United States Naval Aviation, 1910-1995. 4 ed. Washington: Naval Historical Center, 1997. Print.

Bibliography

  • Andrade, John (1979). U.S.Military Aircraft Designations and Serials since 1909. Midland Counties Publications. ISBN ISBN 0 904597 22 9. {{cite book}}: Check |isbn= value: invalid character (help)
  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing. {{cite book}}: Cite has empty unknown parameter: |coauthors= (help)