The Weller ULI NG (New Generation), sometimes called the Weller Uli NG, is a German

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 Weller Flugzeugbau of Bibersfeld. It was introduced at the Aero show held in

Friedrichshafen Friedrichshafen ( or ; Low Alemannic: ''Hafe'' or ''Fridrichshafe'') is a city on the northern shoreline of Lake Constance (the ''Bodensee'') in Southern Germany, near the borders of both Switzerland and Austria. It is the district capital (''Kre ...

in 2010. The aircraft is supplied as a complete ready-to-fly-aircraft.Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 84. WDLA UK, Lancaster UK, 2011. Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', page 88. Flying Pages Europe SARL, 2015.

Design and development

The aircraft is derived from the Egon Scheibe Uli 1 and was re-designed to comply with the German class ultralight rules. It features a cable-braced

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 single-seat open cockpit without a windshield, 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

pusher configuration In an aircraft with a pusher configuration (as opposed to a tractor configuration), the propeller(s) are mounted behind their respective engine(s). Since a pusher propeller is mounted behind the engine, the drive shaft is in compression in nor ...

. The aircraft

fuselage The fuselage (; from the French ''fuselé'' "spindle-shaped") is an aircraft's main body section. It holds crew, passengers, or cargo. In single-engine aircraft, it will usually contain an engine as well, although in some amphibious aircraft t ...

is made from welded steel tubing, the wing built from bolted-together

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 has ...

tubing, with its flying surfaces covered in aircraft fabric. Its span wing has an area of , giving a very light wing loading of 17.0 kg/m² (3.5 lb/sq ft). The standard engine available is the

Briggs & Stratton Briggs & Stratton Corporation is an American manufacturer of gasoline engines with headquarters in Wauwatosa, Wisconsin. Engine production averages 10 million units per year as of April 2015. The company reports that it has 13 large facilit ...

industrial

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 with a V-belt reduction drive, powering a two bladed wooden

propeller A propeller (colloquially often called a screw if on a ship or an airscrew if on an aircraft) is a device with a rotating hub and radiating blades that are set at a pitch to form a helical spiral which, when rotated, exerts linear thrust upon ...

. The engine burns per hour at cruise. The aircraft's fuel tank is detachable for refueling and is filled with premium auto-fuel. The design incorporates a ballistic parachute whole-aircraft rescue system that includes an ignition cut-off upon firing.

Specifications (version)

References

External links

* {{Weller Flugzeugbau aircraft 2010s German ultralight aircraft Single-engined pusher aircraft