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Aeronca K

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Aeronca K
Aeronca K
General information
National originUnited States of America
ManufacturerAeronca
Designer
StatusStill in service
Primary userPrivate pilot owners
Number built357
History
Introduction date1937
Developed fromAeronca C-2
Aeronca K

The Aeronca Model K Scout is an American light airplane first marketed in 1937, and was the true successor to the popular C-2/C-3 line.

Design

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In January 1937, Aeronca unveiled the Model K, a replacement for the company's popular C-3. While it was powered by the same Aeronca E-113 two-cylinder engine as the C-3, the Model K Scout was of more conventional appearance, eliminating the C-3's distinctive fuselage "bathtub", replacing the wire-braced wings used by the earlier aircraft with strut-braced wings and providing a fully enclosed cockpit seating two side-by-side.[1][2] The fuselage had a welded steel-tube structure with fabric covering, while the wings had spruce spars and spruce and plywood ribs, which were fabric covered. The aircraft had a fixed tailwheel undercarriage, where the wheels could be replaced with skis for winter operation, while there was also a floatplane version. Dual controls were fitted.[3]

Later in 1937, Aeronca unveiled a new version of the Model K powered by the 4-cylinder Continental A-40 engine, the Aeronca KC, while a similar version powered by the 4-cylinder Franklin 4AC-150 engine became the Aeronca CF.[4] The availability of the more powerful Continental A-50 engine resulted in the Aeronca KCA. This was later developed into the slightly larger Aeronca 50 Chief.[5] Small numbers of 50 hp Model Ks powered by Menasco M-50 flat-four engines (the KM) and Franklin engines (the KF) were also built.[6]

A total of 357 Aeronca Model K Scouts were built.[7][a]

Operational history

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73 Model K were on the U.S. civil aircraft register in May 2009 and several examples are preserved in museums. The EAA AirVenture Museum in Oshkosh, Wisconsin has an example on display at its Pioneer Airport.[13] N18877 is on display at the Yanks Air Museum in Chino, CA.[14][15]

Variants

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  • Model K Scout - with 40 hp (30 kW) Aeronca E-113C engine,[16] with 42 hp (31 kW) Aeronca E-113CB or CD eninges and 45 hp (34 kW) E-113CDB engines as options.[16][3]
    • Model KS Sea Scout - Seaplane version of K, with EDO floats.[3]
  • Model KC - with 40 hp (30 kW) Continental A-40 engine and modified undercarriage.[4][17]
  • Model CF - Similar to KC but powered by 40 hp (30 kW) Franklin 4AC-150 engine.[4][17]
  • Model KCA - Modified KC with 50 hp (37 kW) Continental A-50 engine.[5][18]
  • Model KM - KC powered by 50 hp (37 kW) Menasco M-50 flat-four engine.[19][20]
  • Model KF - As CF but with Franklin 4AC-150 uprated to 50 hp (37 kW).[21][22]

Specifications

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Data from U.S. Civil Aircraft Vol. 7[3]

General characteristics

  • Crew: 1
  • Capacity: 1 passenger
  • Length: 20 ft 7 in (6.27 m)
  • Wingspan: 36 ft 0 in (10.97 m)
  • Height: 6 ft 7 in (2.01 m)
  • Wing area: 146.35 sq ft (13.596 m2)
  • Airfoil: Clark Y
  • Empty weight: 590 lb (268 kg)
  • Max takeoff weight: 1,040 lb (472 kg)
  • Fuel capacity: 10 US gal (8.3 imp gal; 38 L)
  • Powerplant: 1 × Aeronca E-113CB air-cooled flat-twin piston engine, 42 hp (31 kW)

Performance

  • Maximum speed: 93 mph (150 km/h, 81 kn) at sea level
  • Cruise speed: 85 mph (137 km/h, 74 kn)
  • Stall speed: 38 mph (61 km/h, 33 kn)
  • Range: 255 mi (410 km, 222 nmi)
  • Service ceiling: 12,000 ft (3,700 m)
  • Rate of climb: 450 ft/min (2.3 m/s)

See also

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References

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Notes
  1. ^ Juptner states "350 or more" Model Ks,[8] 35 KCs and 6 CFs,[9] "about 65" KCAs,[10] nine KMs,[11] and five KFs.[12]
  1. ^ Juptner 1978, p. 123.
  2. ^ Simpson 2001, p. 16.
  3. ^ a b c d Juptner 1978, p. 125.
  4. ^ a b c Juptner 1978, pp. 193–194.
  5. ^ a b Juptner 1978, p. 260.
  6. ^ Juptner 1978, pp. 265, 301.
  7. ^ "Aeronca K". Archived from the original on 6 December 2010. Retrieved 30 October 2010.
  8. ^ Juptner 1978, pp. 125–126.
  9. ^ Juptner 1978, p. 195.
  10. ^ Juptner 1978, pp. 260, 262.
  11. ^ Juptner 1978, p. 266.
  12. ^ Juptner 1978, p. 302.
  13. ^ "Aeronca K". Archived from the original on 19 July 2011. Retrieved 20 March 2011.
  14. ^ "Aeronca K Scout". Yanks Air Museum. 2017-01-06. Retrieved 2019-12-18.
  15. ^ "FAA Registry - Aircraft - N-Number Inquiry". registry.faa.gov. Retrieved 2019-12-18.
  16. ^ a b "Aircraft Specification No. A-634: Revision 4". Federal Aviation Administration. February 23, 2022. Retrieved October 10, 2024.
  17. ^ a b "Aircraft Specification No. A-655: Revision 4". Federal Aviation Administration. February 23, 2022. Retrieved October 25, 2024.
  18. ^ "Type Certificate Data Sheet No. A-675: Revision 9". Federal Aviation Administration. February 23, 2022. Retrieved October 25, 2024.
  19. ^ Juptner 1978, pp. 265–266.
  20. ^ "Aircraft Specification No. A-676: Revision 2". Federal Aviation Administration. March 7, 2005. Retrieved October 25, 2024.
  21. ^ Juptner 1978, pp. 301–302.
  22. ^ "Aircraft Specification No. A-688: Revision 2". Federal Aviation Administration. March 7, 2005. Retrieved October 25, 2024.
Bibliography
  • Juptner, Joseph P. (1978). U.S. Civil Aircraft Vol. 7 (ATC601–ATC700). Fallbrook, California, US: Aero Publishers, Inc. ISBN 0-8168-9174-5.
  • Simpson, Rod (2001). Airlife's World Aircraft: The Complete Reference to Civil, Military and Light Aircraft. Shrewsbury, UK: Airlife Publishing Ltd. ISBN 1-84037-115-3.
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