The Roland Z-120 Relax is a German ultralight aircraft, designed and produced by

Roland Aircraft Roland Aircraft is a German aircraft manufacturer based in Mendig. The company is owned by Roland Hauke and specializes in the manufacture of all-metal aircraft, made from aluminium sheet.Bayerl, Robby; Martin Berkemeier; et al: ''World Direct ...

Mendig Mendig () is a small town in the district Mayen-Koblenz, in Rhineland-Palatinate, Germany. It is situated approximately 6 km north-east of Mayen, and 25 km west of Koblenz. Mendig is the seat of the ''Verbandsgemeinde'' ("collective ...

, introduced at the

AERO Friedrichshafen AERO Friedrichshafen is a trade show dedicated to European general aviation. It is held yearly in April on the shores of Lake Constance at the exhibition center of Friedrichshafen, Germany right next to Friedrichshafen Airport Friedrichshaf ...

show in 2015. The aircraft is supplied as a kit for amateur construction or complete and ready-to-fly.Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', page 77. Flying Pages Europe SARL, 2015.

Design and development

The Z-120 was designed to comply with the German 120 kg class rules, hence its designation. It features a cantilever

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 co ...

, a single-seat, an enclosed cabin accessed by open doorways, fixed

conventional landing gear Conventional landing gear, or tailwheel-type landing gear, is an aircraft undercarriage consisting of two main wheels forward of the center of gravity and a small wheel or skid to support the tail.Crane, Dale: ''Dictionary of Aeronautical Term ...

and a single engine in

tractor configuration In aviation, the term tractor configuration refers to an aircraft constructed in the standard configuration with its engine mounted with the propeller in front of it so that the aircraft is "pulled" through the air. Oppositely, the pusher co ...

. The aircraft is made from special thin-gauge sheet

aluminum Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. It ha ...

for lightness. Its span wing has an area of and lacks flaps. The standard engine used is a Woelfe Aixro XF40 single-rotor

Wankel engine The Wankel engine (, ) is a type of internal combustion engine using an eccentric rotary design to convert pressure into rotating motion. It was invented by German engineer Felix Wankel, and designed by German engineer Hanns-Dieter Paschke. ...

Specifications (Z-120)

References

External links

* {{Roland Aircraft Z-120 2010s German ultralight aircraft Homebuilt aircraft Single-engined tractor aircraft