The Ultralight Design Atos Trike is a Czech electric and gasoline powered ultralight trike, designed and produced by Ultralight Design SRO of Cvikov. The aircraft is supplied complete and ready-to-fly.Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', page 244. Flying Pages Europe SARL, 2015.

Design and development

The Atos Trike was designed to comply with the German 120 kg class and the US

FAR 103 Ultralight Vehicles Ultralight aircraft in the United States are much smaller and lighter than ultralight aircraft as defined by all other countries. In the United States, ultralights are described as "ultralight vehicles" and not as aircraft. They are not requ ...

rules, including the category's maximum empty weight of . The aircraft design features a

cantilever A cantilever is a rigid structural element that extends horizontally and is supported at only one end. Typically it extends from a flat vertical surface such as a wall, to which it must be firmly attached. Like other structural elements, a canti ...

A-I-R Atos The A-I-R Atos is a German high-wing, single-place, rigid wing hang glider designed by Felix Ruehle and produced by A-I-R GmbH of Halblech.Bertrand, Noel; Rene Coulon; et al: ''World Directory of Leisure Aviation 2003-04'', page 40. Pagefast ...

rigid

hang glider Hang gliding is an air sport or recreational activity in which a pilot flies a light, non-motorised foot-launched heavier-than-air aircraft called a hang glider. Most modern hang gliders are made of an aluminium alloy or composite frame covered ...

-style

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 ...

, weight-shift controls, a single-seat open cockpit with a

cockpit fairing An aircraft fairing is a structure whose primary function is to produce a smooth outline and reduce drag.Crane, Dale: ''Dictionary of Aeronautical Terms, Third Edition'', page 206. Aviation Supplies & Academics Inc, Newcastle Washington, 1997. ...

tricycle landing gear Tricycle gear is a type of aircraft undercarriage, or ''landing gear'', arranged in a tricycle fashion. The tricycle arrangement has a single nose wheel in the front, and two or more main wheels slightly aft of the center of gravity. Tricycle g ...

and a single electric or piston 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 composites, with its double surface Atos wing made from carbon-fiber-reinforced polymer. The wing is supported by a single post, has a small horizontal

tailplane A tailplane, also known as a horizontal stabiliser, is a small lifting surface located on the tail (empennage) behind the main lifting surfaces of a fixed-wing aircraft as well as other non-fixed-wing aircraft such as helicopters and gyroplane ...

and uses an "A" frame weight-shift control bar. The powerplant is a FlyEngine F200 piston engine or, optionally, a Flytec HPD

electric motor An electric motor is an Electric machine, electrical machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a Electromagneti ...

. The aircraft (less wing) has an empty weight of and a weight of , with the wing fitted.

Operational history

In reviewing the design in 2015, Dimitri Delemarle wrote, "Any trike specifically designed to motorize the fabulous Atos wing has to be a bit special and this machine does not disappoint...It is not cheap, but the price reflects the high-quality workmanship!"

Specifications (Atos Trike)

References

External links

*{{Official website, http://www.ultralightdesign.cz/en/ Atos Trike 2010s Czech sport aircraft 2010s Czech ultralight aircraft Single-engined pusher aircraft Ultralight trikes Electric aircraft