Engineering:Alexander Eaglerock

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Short description: Biplane

The Alexander Eaglerock is a biplane produced in the United States in the 1920s by Alexander Aircraft Company of Colorado Springs, Colorado.[1]

It is a fixed-gear three-seater, and was offered in two models, one with a Hispano-Suiza "A" engine of 150 hp (110 kW), priced at US$4000, and one with a Wright J-5 Whirlwind, priced at $6500. The Eaglerock was also available fitted with a variety of other engines, of up to 270 hp (200 kW), with prices starting at $2250.[1]

Surviving aircraft

Whirlwind-powered Eaglerock on display at Denver International Airport
  • 122 – Model 24 Long Wing on static display at the Pueblo Weisbrod Aircraft Museum in Pueblo, Colorado.[2][3] It is on loan from the Colorado Aviation Historical Society and was previously on display at the Wings Over the Rockies Air and Space Museum.[4]
  • 469 – Combo-wing on static display at Seattle-Tacoma International Airport in SeaTac, Washington. It is on loan from the Museum of Flight.[5]
  • 526 – Long Wing airworthy at the Western Antique Aeroplane & Automobile Museum in Hood River, Oregon.[6][7]
  • 928 – A-2 on static display at the Science Spectrum in Lubbock, Texas.[8][9]
  • 977 – Model A-14 is on static display in Concourse B of Denver International Airport in Denver, Colorado. It was restored over a 25-year period by the Antique Airplane Association of Colorado.[10] [11] * On static display at the Wings Over the Rockies Air and Space Museum in Denver, Colorado.[12]

Specifications (Eaglerock A-1)

Alexander Eaglerock A-7 3-view drawing from Aero Digest April 1928

Data from American Airplane Specifications[13]

General characteristics

  • Crew: 1
  • Capacity: 2 passengers
  • Length: 25 ft 11 in (7.90 m)
  • Wingspan: 36 ft 8 in (11.18 m)
  • Height: 9 ft 10 in (3.00 m)
  • Wing area: 330 sq ft (31 m2)
  • Empty weight: 1,705 lb (773 kg)
  • Gross weight: 2,491 lb (1,130 kg)
  • Fuel capacity: 67 US gal (56 imp gal; 250 L)
  • Powerplant: 1 × Wright Whirlwind radial engine, 225 hp (168 kW)

Performance

  • Maximum speed: 130 mph (210 km/h, 110 kn)
  • Cruise speed: 110 mph (180 km/h, 96 kn)
  • Stall speed: 36 mph (58 km/h, 31 kn)
  • Range: 590 mi (950 km, 510 nmi)
  • Service ceiling: 17,900 ft (5,500 m)
  • Rate of climb: 1,080 ft/min (5.5 m/s)

See also

Aircraft of comparable role, configuration and era

(Partial listing, only covers most numerous types)

References

Citations

  1. 1.0 1.1 Payne, Stephen, ed. Canadian Wings (Douglas & McIntyre, Ltd., 2006), p.162.
  2. "Exhibits & Displays". 31 January 2018. http://pwam.org/exhibits-displays. Retrieved 16 November 2020. 
  3. "FAA REGISTRY [N2568"]. U.S. Department of Transportation. http://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=N2568. Retrieved 16 November 2020. 
  4. "Alexander Eaglerock Aircraft". http://www.coloradoaviationhistoricalsociety.org/gallery/view_album.php?set_albumName=Eaglerock. 
  5. "Alexander Eaglerock". http://www.museumofflight.org/aircraft/alexander-eaglerock. Retrieved 16 November 2020. 
  6. "Alexander Eaglerock Longwing". https://www.waaamuseum.org/collections/airplanes/623-alexander-eaglerock-longwing. Retrieved 16 November 2020. 
  7. "FAA REGISTRY [N5075"]. U.S. Department of Transportation. http://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=N5075. Retrieved 16 November 2020. 
  8. Via OX5 to Oshkosh, OX5 Aviation Pioneers Texas Wing, September 2010, http://ox5.org/wp-content/uploads/2011/08/OX5_TX_NEWSLETTER_SEPTEMBER_10_opt.pdf, retrieved 16 November 2020 
  9. "FAA REGISTRY [N6601"]. U.S. Department of Transportation. http://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=N6601. Retrieved 16 November 2020. 
  10. Barth, David (14 September 2014). "Alexander Eaglerock at Denver International Airport, August 2013". http://barthworks.com/aviation/aviation_historic_artifacts/2013_08_alexander_eagle_rock/2013_08_alexander_eagle_rock.htm. Retrieved 16 November 2020. 
  11. "FAA REGISTRY [N205Y"]. U.S. Department of Transportation. http://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=N205Y. Retrieved 16 November 2020. 
  12. "Aircraft Exhibits". http://wingsmuseum.org/museum/exhibits/aircraftexhibits. 
  13. Aviation July 1931, pp. 426–427, 430.

Bibliography

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