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 conventional three-axis control aircraft with ailer ...
that was designed by Wayne Winters and is produced by
Blue Yonder Aviation
Blue is one of the three primary colours in the RYB color model, RYB colour model (traditional colour theory), as well as in the RGB color model, RGB (additive) colour model. It lies between Violet (color), violet and cyan on the optical sp ...
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 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 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 strut, 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 planes.
A monoplane has inherently the highest efficiency and lowest drag of any wing confi ...
, inverted
V-tail, a single-seat, open cockpit,
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 twin engines in
tractor configuration. The EZ Fun Flyer closely resembles the
Ultraflight Lazair
The UltraFlight Lazair is a family of Canadian designed and built twin-engine ultralight aircraft that were sold in kit form between 1979 and 1984.
It was one of the first twin-engined ultralights. More Lazairs have been registered i ...
in configuration and dimensions.
The aircraft structure is made 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 has ...
tubing, with foam
wing rib
In an aircraft, ribs are forming elements of the 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 intervals, form ...
s. Its span wing is supported by a single
lift strut per side. The engines are
Radne Raket 120
The Radne Raket 120 ( en, Rocket) 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 Berkemeie ...
single cylinder, 120cc, air-cooled,
two stroke powered hang glider
A foot-launched powered hang glider (FLPHG), also called powered harness, nanolight, or hangmotor, is a powered hang gliding, hang glider harness with a internal combustion engine, motor and propeller (aircraft), propeller in pusher configuratio ...
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