The Gregor GR-1, also called the GR-1 Continental and the GR-1 Sportplane was a biplane with a tail-wheel undercarriage developed by Michael Gregor[1]

GR-1
Role Biplane trainer
National origin United States
Manufacturer Gregor Aircraft
Designer Michael Gregor
Introduction 1930
Number built 1

Development

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The Gregor GR-1 was intended to be a light, low cost, training aircraft for depression-era customers. Gregor was based at Hangar B at Roosevelt Field in New York.[2] The aircraft was a conventional geared biplane with two open cockpits in tandem with oversize interplane struts.[3]

Variants

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Gregor GR-2[4]

Specifications (GR-1)

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Data from Skyways

General characteristics

  • Crew: 1
  • Capacity: 1
  • Length: 19 ft 3 in (5.87 m)
  • Upper wingspan: 28 ft (8.5 m)
  • Lower wingspan: 21 ft (6.4 m)
  • Height: 7 ft 7 in (2.31 m)
  • Empty weight: 900 lb (408 kg)
  • Gross weight: 1,530 lb (694 kg)
  • Powerplant: 1 × Wright-Gypsy L-320 4-cyl air-cooled in-line piston engine, 90 hp (67 kW)

Performance

  • Maximum speed: 87 kn (100 mph, 160 km/h)
  • Rate of climb: 1,000 ft/min (5.1 m/s)

References

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  1. ^ Joshua Stoff. Long Island Aircraft Manufacturers. p. 67.
  2. ^ "Gregor's Geldings". Archived from the original on 26 April 2012. Retrieved 6 December 2011.
  3. ^ Skyways: 49. July 2000. {{cite journal}}: Missing or empty |title= (help)
  4. ^ Skyways: 49. July 2000. {{cite journal}}: Missing or empty |title= (help)