The DAR 21 Vector II is a Bulgarian

ultralight aircraft Ultralight aviation (called microlight aviation in some countries) is the flying of lightweight, 1- or 2-seat fixed-wing aircraft. Some countries differentiate between weight-shift control and conventional three-axis control aircraft with ailer ...

, designed and produced by

Aeroplanes DAR Aeroplanes DAR Ltd (''"Аероплани ДАР" ЕООД'' - DAR aeroplanes EOOD) is a privately owned Bulgarian aircraft manufacturer based in Sofia, established in 1995. The company produces ultralight aircraft. The company name commemorates ...

, first flying on 1 August 2000. When it was available the aircraft was supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 20. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X The aircraft was introduced in 2001 and production apparently ended in 2014, as by that year the aircraft was no longer advertised for sale by the company.

Design and development

The aircraft was designed to comply with the

Fédération Aéronautique Internationale The (; FAI; en, World Air Sports Federation) is the world governing body for air sports, and also stewards definitions regarding human spaceflight. It was founded on 14 October 1905, and is headquartered in Lausanne, Switzerland. It maintai ...

microlight rules. It features a

strut-braced In aeronautics, bracing comprises additional structural members which stiffen the functional airframe to give it rigidity and strength under load. Bracing may be applied both internally and externally, and may take the form of strut, which act in ...

high wing A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowest drag of any wing confi ...

, a two-seats-in- tandem enclosed cockpit, conventional landing gear and a single engine in tractor configuration. The Vector II has riveted stressed skin made with 1050 and 3105 aluminum sheet for corrosion resistance. The fuselage has a square cross-section. Its span wing employs flaps that can be set to 15° for takeoff and 30° for landing. The standard engine available is the Rotax 582 twin-cylinder, liquid-cooled, two-stroke powerplant, with the

four-stroke A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either directio ...

Rotax 912 The Rotax 912 is a horizontally-opposed four-cylinder, naturally aspirated, four-stroke aircraft engine with a reduction gearbox. It features liquid-cooled cylinder heads and air-cooled cylinders. Originally equipped with carburetors, late ...

optional. Solo flight is accomplished from the front seat.

Variants

;DAR 21 :Standard version with bungee main landing gear suspension. ;DAR 21S :Upgraded version with aluminum sprung main landing gear suspension for increased ground clearance.

Specifications (DAR 21)

References

External links

DAR 21 aircraft web page archives
on Archive.org
Official video
{{DAR aircraft Homebuilt aircraft Single-engined tractor aircraft 2000s Bulgarian ultralight aircraft High-wing aircraft Vector II