title: Gregor GR-1
text: # Gregor GR-1
  
  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
  
  ## Development
  
  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. The aircraft was a conventional geared biplane with two open cockpits in tandem with oversize interplane struts.
  
  ## Specifications (GR-1)
  
  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)
  