The Fantasy Air Allegro is a

Czech Czech may refer to: * Anything from or related to the Czech Republic, a country in Europe ** Czech language ** Czechs, the people of the area ** Czech culture ** Czech cuisine * One of three mythical brothers, Lech, Czech, and Rus' Places * Czech, ...

two seat, high wing,

tricycle 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 ...

, single engine

monoplane 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 con ...

light-sport aircraft or

microlight 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 aile ...

originally designed and built by Fantasy Air and later produced in the United States by Allegro LSA.Hunt, Adam: ''Flying the Fantasy Air Allegro 2000'', COPA Flight, October 2005

Development

The Allegro has a

strut A strut is a structural component commonly found in engineering, aeronautics, architecture and anatomy. Struts generally work by resisting longitudinal compression, but they may also serve in tension. Human anatomy Part of the functionality o ...

-braced wing constructed from

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 ...

, with

fibreglass Fiberglass (American English) or fibreglass (Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass clo ...

wingtips. The 2000 and 2007 variants have a 10:1 aspect ratio wing that tapers outboard of the flaps, while the shorter-winged SW model has non-tapered wings. The wings are equipped with three position electrically-actuated flaps with positions for 0, 15 and 48 degrees for cruising flight, take-off and landing respectively on the 2000 model and -4.5, 15 and 48 degrees on the 2007 model. The

ailerons An aileron (French for "little wing" or "fin") is a hinged flight control surface usually forming part of the trailing edge of each wing of a fixed-wing aircraft. Ailerons are used in pairs to control the aircraft in roll (or movement around ...

are of a differential design. The airfoil is an SM 701. The

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 aircraf ...

is constructed from

Kevlar Kevlar (para-aramid) is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora. Developed by Stephanie Kwolek at DuPont in 1965, the high-strength material was first used commercially in the early 1970s a ...

-reinforced fibreglass with steel tube reinforcement in the cockpit area. The seating is for pilot and passenger in side-by-side configuration, sharing a centre-mounted control stick. The landing gear is of tricycle configuration, with curved main gear legs made from fibreglass and a nosewheel mounted on steel tubes with rubber puck shock absorbing. There is also a shock-absorbing tail skid mounted under the

fin A fin is a thin component or appendage attached to a larger body or structure. Fins typically function as foils that produce lift or thrust, or provide the ability to steer or stabilize motion while traveling in water, air, or other fluids. Fin ...

. While the fin is fibreglass the horizontal stabilizer,

elevator An elevator or lift is a cable-assisted, hydraulic cylinder-assisted, or roller-track assisted machine that vertically transports people or freight between floors, levels, or decks of a building, vessel, or other structure. They a ...

and adjustable

trim tab Trim tabs are small surfaces connected to the trailing edge of a larger control surface on a boat or aircraft, used to control the trim of the controls, i.e. to counteract hydro- or aerodynamic forces and stabilise the boat or aircraft in a pa ...

mounted as a

T-tail A T-tail is an empennage configuration in which the tailplane is mounted to the top of the fin. The arrangement looks like the capital letter T, hence the name. The T-tail differs from the standard configuration in which the tailplane ...

are all aluminum. The standard fuel tank is mounted under the floor, with wings tanks optional, bringing total capacity to . Engines available for the 2000 include the

Rotax 912ULS 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, later ...

Rotax 912UL 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, l ...

and the

Rotax 582 The Rotax 582 is a two-stroke, two-cylinder, rotary intake valve, oil-in-fuel or oil injection pump, liquid-cooled, gear reduction-drive aircraft engine manufactured by BRP-Rotax GmbH & Co. KG. It is for use in non-certified aircraft operating ...

. The 2007 model offers only the Rotax 912UL and ULS. A glider-towing kit is optional which allows towing gliders up to gross weight. The design of the Allegro 2000 model has been praised for its aesthetic appeal, good cockpit visibility, light controls, operating economics and value, wide speed range, range and payload as well as enjoyable flight characteristics. It has been criticized for its poor

ergonomic Human factors and ergonomics (commonly referred to as human factors) is the application of psychological and physiological principles to the engineering and design of products, processes, and systems. Four primary goals of human factors learnin ...

accommodation for taller pilots and also for poor control harmony, with the elevator controls much lighter than the ailerons, which are in turn much lighter than the rudder pedals. The aircraft can be flown under the microlight/

ultralight 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 aile ...

regulations of several countries as well as the USA

FAA The Federal Aviation Administration (FAA) is the largest transportation agency of the U.S. government and regulates all aspects of civil aviation in the country as well as over surrounding international waters. Its powers include air traffic m ...

Light-sport Aircraft rules. In Canada the aircraft can be registered as a Basic Ultralight or

Advanced Ultralight The Canadian Aviation Regulations define two types of ultralight aircraft: basic ultra-light aeroplane (BULA), and advanced ultra-light aeroplane (AULA). Definition Regulation of ultra-light aircraft in Canada is covered by the Canadian A ...

Variants

;Cora :Original variant first flown in 1995 ;Allegro 2000 :Production variant with tapered-wings and gross weight of ;Allegro 2000F :Floatplane variant, with provisions for Full Lotus inflatable floats ;Allegro SW :European microlight variant with shorter rectangular wings to save weight and gross weight limited to . The SW model has a cruise speed that is slower than the taper-winged models with the same power. ;Allegro 2007 :Improved variant with redesigned doors, more headroom, wing dihedral increased to improve the aircraft's handling qualities and gross weight increased to , the maximum in the US LSA category.

;Allegro LSA : Light-sport aircraft variant built in the United States by AllegroLSA of

Sanford, North Carolina Sanford is a city in Lee County, North Carolina, United States. The population was 30,261 at the 2020 census. It is the county seat of Lee County. History Sanford was named for C.O. Sanford, a railroad civil engineer instrumental in the building ...

. This model incorporates a taller cockpit, along with aerodynamic improvements that reduce the amount of rudder needed in a turn. Fuel capacity was increased to Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 32. WDLA UK, Lancaster UK, 2011. ISSN 1368-485XTacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', page 33 and 67. Flying Pages Europe SARL, 2015. ;Allegro F :Floatplane version made in the USA by B-Bar-D Aviation.

Specifications (Allegro 2007)

Fantasy Air Allegro 2000 C-IDRQ 14 Instrument panel

References

External links

*{{Official website, http://allegrolsa.com/ 1990s Czech and Czechoslovakian civil utility aircraft 1990s United States civil utility aircraft Light-sport aircraft Single-engined tractor aircraft High-wing aircraft Aircraft first flown in 1995