Blue Yonder EZ Fun Flyer

The Blue Yonder EZ Fun Flyer is a Canadian twin-engined ultralight aircraft that was designed by Wayne Winters and is produced by Blue Yonder Aviation of Indus, Alberta. The aircraft is supplied as a kit for amateur construction.[1]

EZ Fun Flyer
Role Ultralight aircraft
National origin Canada
Manufacturer Blue Yonder Aviation
Designer Wayne Winters
Introduction 2011
Status In production
Number built 1
Unit cost
US$13,999 (complete, 2011)
Developed from Ultraflight Lazair

Design and development

Even though it is a Canadian design, the aircraft was designed to comply with the US FAR 103 Ultralight Vehicles rules, including the category's maximum empty weight of 254 lb (115 kg). The aircraft has a standard empty weight of 251 lb (114 kg). It features a strut-braced high-wing, inverted V-tail, a single-seat, open cockpit, conventional landing gear and twin engines in tractor configuration. The EZ Fun Flyer closely resembles the Ultraflight Lazair in configuration and dimensions.[1]

The aircraft structure is made from aluminum tubing, with foam wing ribs. Its 34 ft (10.4 m) span wing is supported by a single lift strut per side. The engines are Radne Raket 120 single cylinder, 120cc, air-cooled, two stroke powered hang glider powerplants of 14 hp (10 kW) each, which give a cruise speed of 50 mph (80 km/h) and a rate of climb of 400 ft/min (2.0 m/s).[1][2]

The construction time from the supplied kit is estimated by the designer at 160 hours.[1]

Operational history

Only one example has been registered in Canada.[3][4]

Specifications (EZ Fun Flyer)

Data from KitPlanes[1]

General characteristics

  • Crew: one
  • Length: 15 ft (4.6 m)
  • Wingspan: 34 ft (10 m)
  • Wing area: 146 sq ft (13.6 m2)
  • Empty weight: 251 lb (114 kg)
  • Gross weight: 600 lb (272 kg)
  • Fuel capacity: 6 U.S. gallons (23 L; 5.0 imp gal)
  • Powerplant: 2 × Radne Raket 120 single-cylinder, two-stroke, 120cc, air-cooled powered hang glider engines, 14 hp (10 kW) each

Performance

  • Cruise speed: 50 mph (80 km/h, 43 kn)
  • Stall speed: 17 mph (27 km/h, 15 kn)
  • Range: 100 mi (160 km, 87 nmi)
  • Rate of climb: 400 ft/min (2.0 m/s)

gollark: We have dedicated offices for them?
gollark: If I doubled the amount of command computers in use plottography could occur within SECONDS.
gollark: They already run at perfectly okay ish speeds with GTech™ Distributed Plottography™.
gollark: Or Fe2O3.
gollark: HMultiplier™ circuit‽

References
  1. Vandermeullen, Richard: 2011 Kit Aircraft Buyer's Guide, Kitplanes, Volume 28, Number 12, December 2011, page 46. Belvoir Publications. ISSN 0891-1851
  2. Wasp Systems (n.d.). "Radne Racket". Archived from the original on 25 April 2012. Retrieved 19 November 2011.
  3. Proprius Solutions (2019). "C-IJKV Canadian Aircraft Registration Details". regosearch.com. Archived from the original on 20 November 2019. Retrieved 20 November 2019.
  4. Transport Canada (20 November 2019). "Canadian Civil Aircraft Register". Retrieved 20 November 2019.
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