DAR-1

 

The DAR 1 Peperuda (butterfly) was a 1920s Bulgarian two-seat touring or trainer biplane, designed by Hermann Winter and built by the DAR – Drjavna Aeroplane Rаbotilnitsa – State Aircraft Workshops.

The aircraft was a conventional two-seat single-bay biplane with a fixed tailskid landing gear, powered by a 60 hp (45 kW) Walter NZ radial engine.

Further development resulted in the DAR 1A, which was powered by an 85 hp Walter Vega engine, eight DAR 1As being produced.
After the maiden flight and successful flight tests the DAR 1 was put into production in 1926.
Production DAR 1A aircraft were delivered from 1928.

The twelve DAR 1 and eight DAR 1A aircraft were used by the Bulgarian Air Force at the Kazanlak Air School, for primary training and the Yato fighter squadron for continuation training, from 1926 to the the early 1940s.

Some DAR 1A aircraft were also used by the Civil Air Service as glider tugs.
Specifications-
Crew: two
Length: 6.25 m (20 ft 6 in)
Wingspan: 9.30 m (30 ft 6 in)
Empty weight: 405 kg (893 lb)
Gross weight: 640 kg (1,411 lb)
Power plant: 1 × Walter NZ-60 radial piston engine, 45 kW (60 hp)
Performance-
Maximum speed: 135 km/h (84 mph, 73 kn)

Credits-
Balkan Birds: Thirty Five Years of Bulgarian Aircraft Production-Dénes Bernád.
The Bulgarian Air Force in World War II, Germany’s Forgotten Ally – Eduardo M. Gil Martinez.
Wikipedia.

 

 

 

 

 

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