Flylight Dragonfly
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The Flylight Dragonfly is a British
ultralight trike An ultralight trike or paratrike is a type of powered hang glider where flight control is by weight-shift control, weight-shift. These light-sport aircraft, aircraft have a fabric Rogallo wing, flex-wing from which is suspended a tricycle fusel ...
, designed by Ben Ashman and produced by Flylight Airsports of
Northamptonshire Northamptonshire ( ; abbreviated Northants.) is a Ceremonial counties of England, ceremonial county in the East Midlands of England. It is bordered by Leicestershire, Rutland and Lincolnshire to the north, Cambridgeshire to the east, Bedfordshi ...
. 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 212. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X Development of the Dragonfly started in 2007 with the aircraft entering series production in 2008.


Design and development

The Dragonfly was designed to comply with the
Fédération Aéronautique Internationale The World Air Sports Federation (; FAI) 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 maintains worl ...
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 ailer ...
category, the UK Single-Seat De-Regulation (SSDR) guidelines, as well as the US
FAR 103 Ultralight Vehicles Ultralight aircraft exist outside of the United States. In most countries, ultralights are a class of aircraft. A completely different legal concept is valid within the USA. The FAA makes explicitly clear that ultralight vehicles are not air ...
rules. It features a
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 struts, which act in ...
Aeros Discus The Aeros Discus is a family of Ukrainian high-wing, single-place, hang gliders, designed and produced by Aeros of Kyiv and introduced in 2002.Bertrand, Noel; Rene Coulon; et al: ''World Directory of Leisure Aviation 2003-04'', page 41. Pagefa ...
hang glider Hang gliding is an air sport or recreational activity in which a pilot flies a light, non-motorised, fixed-wing 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 wings. A monoplane has inherently the highest efficiency and lowest drag of any wing config ...
, weight-shift controls, a single-seat open cockpit, retractable
tricycle landing gear Tricycle gear is a type of aircraft undercarriage, or ''landing gear'', that is arranged in a tricycle fashion. The tricycle arrangement has one or more nose wheels in a single front undercarriage and two or more main wheels slightly aft of th ...
and a single engine in
pusher configuration In aeronautical and naval engineering, pusher configuration is the term used to describe a drivetrain of air- or watercraft with propulsion device(s) after the engine(s). This is in contrast to the more conventional tractor configuration, wh ...
. The aircraft is made from bolted-together
aluminum Aluminium (or aluminum in North American English) is a chemical element; it has chemical symbol, symbol Al and atomic number 13. It has a density lower than that of other common metals, about one-third that of steel. Aluminium has ...
tubing, with its double surface wing covered in
Dacron Polyethylene terephthalate (or poly(ethylene terephthalate), PET, PETE, or the obsolete PETP or PET-P), is the most common thermoplastic polymer resin of the polyester family and is used in fibres for clothing, containers for liquids and foods ...
sailcloth. Its span wing is supported by a single tube-type kingpost and uses an "A" frame weight-shift control bar. The powerplant is a single cylinder, air-cooled
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 ...
, Bailey V4 200 engine, with the single cylinder, air-cooled,
two-stroke A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes of the piston, one up and one down, in one revolution of the crankshaft in contrast to a four-stroke engine which re ...
Simonini Mini-3 or Simonini Mini-2 engines optional. With the Bailey engine and the Aeros Discus 15T wing the Dragonfly has an empty weight of and a full fuel capacity of . With its manual, or optionally electrically retractable
landing gear Landing gear is the undercarriage of an aircraft or spacecraft that is used for taxiing, takeoff or landing. For aircraft, it is generally needed for all three of these. It was also formerly called ''alighting gear'' by some manufacturers, s ...
the aircraft can be folded up and ground transported in the trunk of a car. A number of different wings can be fitted to the basic carriage, including Aeros Discus 15T, 14 and 12 as well as the Aeros Combat 12T.


Variants

; Flylight E-Dragon :
Electric aircraft An electric aircraft is an aircraft powered by electricity. Electric aircraft are seen as a way to reduce the environmental effects of aviation, providing zero emissions and quieter flights. Electricity may be supplied by a variety of methods, ...
version. ; Flylight Motorfloater :Simplified model with single surface wing and fixed landing gear. ;Flylight Libelle :High performance variant equipped with a single cylinder, air-cooled,
two-stroke A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes of the piston, one up and one down, in one revolution of the crankshaft in contrast to a four-stroke engine which re ...
Simonini Mini-3 engine and the "topless" strut-braced Aeros Combat 12T wing.


Specifications (Dragonfly)


References


External links

* {{Flylight aircraft 2000s British sport aircraft 2000s British ultralight aircraft Single-engined pusher aircraft Ultralight trikes