The Ekolot KR-030 Topaz is a Polish

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

Ekolot PPHU Ekolot is a Polish aircraft manufacturer based in Korczyna, Podkarpackie Voivodeship, with its factory in Krosno. The company was formed in 1995 and its director is Henryk Słowik.Bayerl, Robby; Martin Berkemeier; et al: ''World Director ...

of Krosno. It was certified in Poland in February 2010. The aircraft is 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 44. WDLA UK, Lancaster UK, 2011. ISSN 1368-485XTacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', page 45. Flying Pages Europe SARL, 2015.

Design and development

The Topaz is a development of the Ekolot JK-05L Junior and 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 cantilever high wing in place of the Junior's

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 ...

wing, a two-seats-in- side-by-side configuration enclosed cockpit, fixed tricycle landing gear and a single engine in tractor configuration. Like the Junior, the Topaz is made from composites. Its span wing employs an NN-1817

airfoil An airfoil (American English) or aerofoil (British English) is the cross-sectional shape of an object whose motion through a gas is capable of generating significant lift, such as a wing, a sail, or the blades of propeller, rotor, or turbine. ...

, has an area of and flaps. Dual fuel tanks are located behind the seats. A ballistic parachute is an available option. The standard engine available is the Rotax 912UL

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 ...

powerplant. The use of a one-piece wing without struts gives the Topaz a higher cruise speed than the Junior, while resulting in the same empty weight. The Topaz has been accepted by the US Federal Aviation Administration as a light-sport aircraft.

Specifications (KR-030 Topaz)

References

External links

* {{Ekolot aircraft 2010s Polish ultralight aircraft Homebuilt aircraft Single-engined tractor aircraft Ekolot aircraft