Engineering:Dobi-I

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Dobi-I
Dobi1.jpg
Role Experimental aircraft
National origin Lithuania
Designer Jurgis Dobkevičius
First flight 1922
Retired 1925
Status Retired

The Dobi-I was designed by Lithuanian aviator Jurgis Dobkevičius and the first airplane of Lithuanian design.[1][2] Jurgis Dobkevičius started designing and building Dobi-I in 1921, and it was first tested by its designer in July 1922. The single Dobi-I prototype was damaged beyond repair in an accident on 1 December 1925.

Specifications

Dobi-I 3-view drawing from NACA-TM-301

Data from Les Ailes March 1924[2]

General characteristics

  • Crew: One
  • Length: 4.50 m (14 ft 9 in)
  • Wingspan: 7.90 m (25 ft 11 in)
  • Wing area: 7.50 m2 (80.7 sq ft)
  • Empty weight: 167 kg (368 lb)
  • Gross weight: 295 kg (650 lb)
  • Fuel capacity: 60 L (13 imp gal; 16 US gal)
  • Powerplant: 1 × Haacke HFM-2 flat twin, 22 kW (30 hp)
  • Propellers: 2-bladed

Performance

  • Maximum speed: 175 km/h (109 mph, 94 kn)
  • Cruise speed: 130 km/h (81 mph, 70 kn) [1]
  • Service ceiling: 3,800 m (12,500 ft) [1]
  • Time to altitude: 6 min to 1,000 m (3,300 ft)

See also

References