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Curtiss Model 41 Lark

From Wikipedia, the free encyclopedia
Curtiss Lark
General information
TypeBiplane
National originUnited States of America
ManufacturerCurtiss Aeroplane and Motor Company
Number built3
History
Introduction date1925
Developed fromCurtiss Carrier Pigeon

TheCurtiss Model 41 Lark was a commercialbiplane manufactured byCurtiss Aeroplane and Motor Company that was used by pioneering airmail, airline and bush pilots in the 1920s.

Development

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The biplane was based on theCurtiss Carrier Pigeon, a purpose-built aircraft for airmail operations. The Lark also had a longer-span lower wing, similar to the Carrier Pigeon. Some models were converted to floatplane configuration with a central mounted pontoon and wing-mounted floats.[1]

The biplane was made of welded tube with fabric covering. It was available with three engine choices, theCurtiss C-6, theWright J-4 Whirlwind, and theWright-Hisso E. All four wing panels were interchangeable, giving the aircraft its unusual longer lower wings.[2]

A 200 hpWright J-4 variant was tested for theUnited States Navy. This installation proved superior in performance to the Curtiss engined model.[3] This version eventually became the basis for theCurtiss Fledgling series of aircraft.[4]

Operational history

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Curtiss Lark at the 1925 National Air Races

Patrica Airways operated a Lark for early bushplane operations. The aircraft flew with floats in warm weather, and skis in the winter.[5] The aircraft was pressed into service as an earlyhearse once, with the cargo needing to be seated upside down in the open seat and secured withhaywire.[6]

Florida Airways operated a Curtiss LarkMiss Tallahassee on its CAM-10 U.S. airmail route between Miami and Atlanta. The aircraft was bought to take the place of two lostStout 2-AT Pullman aircraft that could not operate out of the poorly prepared airstrips.[7]

Colonial Air Transport owned a Curtiss Lark which was one of the first aircraft to be registered using the newUnderwriters Laboratories all-letter system (1921 to 1923). This Lark, registered asN-AABC, was used on the CAM-1 U.S. airmail route.[8]

Specifications (Curtiss C-6 engine)

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Data from Curtiss Aircraft 1907 - 1947[9]

General characteristics

  • Crew: one
  • Capacity: three passengers
  • Length: 22 ft 2.5 in (6.769 m)
  • Wingspan: 30 ft 7.5 in (9.335 m)
  • Height: 8 ft 11 in (2.72 m)
  • Wing area: 264.3 sq ft (24.55 m2)
  • Empty weight: 1,579 lb (716 kg)
  • Gross weight: 2,708 lb (1,228 kg)
  • Powerplant: 1 ×Curtiss C-6 6-cyl water-cooled in-line piston engine, 160 hp (120 kW)

Performance

  • Maximum speed: 99 kn (114 mph, 183 km/h)
  • Cruise speed: 84 kn (97 mph, 156 km/h)
  • Range: 380 nmi (440 mi, 710 km)
  • Ferry range: 330 nmi (380 mi, 610 km)
  • Service ceiling: 12,500 ft (3,800 m)
  • Rate of climb: 860 ft/min (4.4 m/s)

Notes

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  1. ^Géza Szurovy (2004).Bushplanes. Zenith Press. p. 29.ISBN 0-7603-1478-0.
  2. ^AAHS Journal.18–19. American Aviation Historical Society.{{cite journal}}:Missing or empty|title= (help)
  3. ^United States Naval Institute (1926).Vol 52 of Proceedings.
  4. ^"K through Z". Retrieved16 Feb 2011.
  5. ^Peter Pigott (1994).Flying Canucks: famous Canadian aviators. Dundurn.ISBN 0-88882-175-1.
  6. ^Michael Barnes (2008).Red Lake: Golden Treasure Chest. GeneralStore PublishingHouse.ISBN 978-1-897113-95-0.
  7. ^Walter David Lewis (2005-12-08).Eddie Rickenbacker: an American hero in the twentieth century. JHU Press.ISBN 0-8018-8244-3.
  8. ^"the numbers racket". Retrieved16 Feb 2011.
  9. ^Bowers, Peter M. (1979).Curtiss Aircraft 1907 - 1947 (1st ed.). London: Putnam & Company Ltd. pp. 196–197.ISBN 0-370-10029-8.

References

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  • Bowers, Peter M. (1979).Curtiss Aircraft 1907 - 1947 (1st ed.). London: Putnam & Company Ltd. pp. 196–197.ISBN 0-370-10029-8.

External links

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Wikimedia Commons has media related toCurtiss Lark.
  • [1] Canadian Aviation and Science Museum photos of the Curtiss Lark
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