Dobi-I

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.

Dobi-I
General information
Type	Experimental aircraft
National origin	Lithuania
Designer	Jurgis Dobkevičius
Status	Retired
History
First flight	1922
Retired	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

• Dobi-II
• Dobi-III