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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.
[Orbis 1985, p. 1295]
Design and development
The aircraft was a conventional two-seat single-bay
biplane
A biplane is a fixed-wing aircraft with two main wings stacked one above the other. The first powered, controlled aeroplane to fly, the Wright Flyer, used a biplane wing arrangement, as did many aircraft in the early years of aviation. While ...
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
The Walter Vega was a five-cylinder, air-cooled, radial engine for aircraft use, built in Czechoslovakia in the late 1920s.
Applications
* Aero A.34
* ANBO V
* Avia BH-11
* Couzinet 22
* Pander E85
* PWS-8
Specifications
See also
Refere ...
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.
Operational history
The twelve DAR 1 and eight DAR 1A aircraft were used by the
Bulgarian Air Force
The Bulgarian Air Force ( bg, Военновъздушни сили, Voennovazdushni sili) is one of the three branches of the Military of Bulgaria, the other two being the Bulgarian Navy and Bulgarian land forces. Its mission is to guard and p ...
at the
Kazanlak
Kazanlak ( bg, Казанлък , Thracian and Greek Σευθόπολις (''Seuthopolis''), tr, Kazanlık) is a Bulgarian town in Stara Zagora Province, located in the middle of the plain of the same name, at the foot of the Balkan mountain ...
Air School, for primary training and the Yato fighter squadron for continuation training, from 1926 to the early 1940s. Some DAR 1A aircraft were also used by the Civil Air Service as glider tugs.
Variants
;DAR 1
:Initial production variant with a 60hp (45kW)
Walter NZ 60
The Walter NZ 60 was a five-cylinder, air-cooled, radial engine for aircraft use built in Czechoslovakia by Walter Aircraft Engines in the 1920s.
Applications
* Albert A-20
* ANBO II
* Avia BH-9
* Avia BH-10
* Avia BH-11
* Avia BH-12
* DUS ...
radial engine
The radial engine is a reciprocating type internal combustion engine configuration in which the cylinders "radiate" outward from a central crankcase like the spokes of a wheel. It resembles a stylized star when viewed from the front, and is ca ...
, 12 built.
;DAR 1A
:Variant powered by an 85hp (63kW)
Walter Vega
The Walter Vega was a five-cylinder, air-cooled, radial engine for aircraft use, built in Czechoslovakia in the late 1920s.
Applications
* Aero A.34
* ANBO V
* Avia BH-11
* Couzinet 22
* Pander E85
* PWS-8
Specifications
See also
Refere ...
engine, eight built plus some upgraded from DAR 1s.
Operators
;
*
Bulgarian Air Force
The Bulgarian Air Force ( bg, Военновъздушни сили, Voennovazdushni sili) is one of the three branches of the Military of Bulgaria, the other two being the Bulgarian Navy and Bulgarian land forces. Its mission is to guard and p ...
:Kazanlak Air School
:Yato Fighter Squadron
*
Bulgarian Civil Air Service
Specifications (DAR 1)
See also
References
Bibliography
*
*Insignia Issue 8 March/April 1998 pp. 132–135
*Air Power of the Kingdom of Bulgaria Part III
*
*
External links
DAR DAR-1 Peperuda
{{DAR aircraft
1920s Bulgarian military trainer aircraft
DAR 01
Single-engined tractor aircraft
Biplanes