The Blue Yonder EZ Fun Flyer is a Canadian twin-engined

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 Aircraft flight control system, conventional three-a ...

that was designed by Wayne Winters and is produced by Blue Yonder Aviation of

Indus, Alberta Indus is a hamlet in southern Alberta, Canada under the jurisdiction of Rocky View County. It is home to the Bill Herron Arena Indus is located approximately 6.1 km (3.8 mi) east of the City of Calgary's eastern limits and 24 km ...

. The aircraft is supplied as a kit for amateur construction.Vandermeullen, Richard: ''2011 Kit Aircraft Buyer's Guide'', Kitplanes, Volume 28, Number 12, December 2011, page 46. Belvoir Publications. ISSN 0891-1851

Design and development

Even though it is a Canadian design, the aircraft was designed to comply with 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, including the category's maximum empty weight of . The aircraft has a standard empty weight of . 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 ...

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 ...

, inverted

V-tail The V-tail or ''vee-tail'' (sometimes called a butterfly tail or Rudlicki's V-tailGudmundsson S. (2013). "General Aviation Aircraft Design: Applied Methods and Procedures" (Reprint). Butterworth-Heinemann. p. 489. , 9780123973290) of an aircraf ...

, a single-seat, open cockpit,

conventional landing gear Conventional landing gear, or tailwheel-type landing gear, is an aircraft Landing gear, undercarriage consisting of two main wheels forward of the Center of gravity of an aircraft, center of gravity and a small wheel or skid to support the tail ...

and twin engines in

tractor configuration In aviation, a tractor configuration is a propeller-driven fixed-wing aircraft with its engine mounted with the propeller in front, so that the aircraft is "pulled" through the air. This is the usual configuration; the pusher configuration ...

. The EZ Fun Flyer closely resembles the

Ultraflight Lazair The UltraFlight Lazair is a family of Canada, Canadian designed and built twin-engine Ultralight aircraft (Canada), ultralight aircraft that were sold in kit form between 1979 and 1984. It was one of the first twin-engined ultralights ...

in configuration and dimensions. The aircraft structure is made from

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 foam

wing rib In an aircraft, ribs are forming elements of the airframe structure of a wing, especially in traditional construction. By analogy with the anatomical definition of "rib", the ribs attach to the main spar, and by being repeated at frequent inter ...

s. Its span wing is supported by a single

lift strut 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 ...

per side. The engines are

Radne Raket 120 The Radne Raket 120 () is a lightweight single cylinder, two-stroke aircraft engine used for powered hang gliders, paramotors and ultralight aircraft that is built by Radne Motor AB of Haninge, Sweden.Bayerl, Robby; Martin Berkemeier; et al: ...

single cylinder, 120cc, 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 ...

powered hang glider A foot-launched powered hang glider (FLPHG), also called powered harness, nanolight, or hangmotor, is a powered hang glider harness with a motor and propeller often in pusher configuration, although some can be found in tractor configuration. ...

powerplants of each, which give a cruise speed of and a rate of climb of 400 ft/min (2.0 m/s). The construction time from the supplied kit is estimated by the designer at 160 hours.

Operational history

Only one example has been registered in Canada.

Specifications (EZ Fun Flyer)

References

External links

* {{Uncertified aircraft developed in Canada 2010s Canadian ultralight aircraft Homebuilt aircraft High-wing aircraft V-tail aircraft EZ Fun Flyer Twin piston-engined tractor aircraft Aircraft with fixed conventional landing gear