Zmaj R-1

1st Flight 1940

The Zmaj R-1 was a twin-engine prototype bomber produced by Zmaj aircraft of the former Yugoslavia, designed in the 1930s.

The aircraft remained a prototype due to a number of difficulties in testing.

Specifications

Crew: 3–4

Length: 12.78 m (41 ft 11 in)

Wingspan: 14.40 m (47 ft 3 in)

Height: 2.50 m (8 ft 2 in)

Wing area: 33.80 m2 (363.8 sq ft)

Empty weight: 2,600 kg (5,732 lb)

Gross weight: 5,094 kg (11,230 lb)

Max take-off weight: 5,664 kg (12,487 lb)

Powerplant: 2 × Hispano-Suiza 14AB 14-cyl. air-cooled radial piston engine, 552 kW (740 hp) each

Propellers: 3-bladed

Performance

Maximum speed: 450 km/h (280 mph, 240 kn)

Cruise speed: 320 km/h (200 mph, 170 kn)

Range: 1,000 km (620 mi, 540 nmi)

Service ceiling: 10,000 m (33,000 ft)

Rate of climb: 5.55 m/s (1,093 ft/min)

Armament

Guns: 2x 20 mm (0.787 in) Oerlikon cannon, and 4x 7.9 mm (0.311 in) machine guns

Bombs: 1,600 kg (3,500 lb) of bombs carried internally.

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