Alexander Eaglerock

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

It was 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]

Whirlwind-powered Eaglerock on display at Denver International Airport

Specifications (Eaglerock A-1)
Alexander Eaglerock A-7 3-view drawing from Aero Digest April 1928

Data from American Airplane Specifications[2]

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. Payne, Stephen, ed. Canadian Wings (Douglas & McIntyre, Ltd., 2006), p.162.
  2. Aviation July 1931, pp. 426–427, 430.

Bibliography
  • "Table 1: American Airplane Specifications: Passenger Planes With Seats For Fewer Than Four Persons". Aviation. Vol. 30 no. 7. July 1931. pp. 426–427, 430.
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