Sonex Xenos

The Xenos is a light, aluminum, low-wing, two seat homebuilt aircraft, that can be registered as a motor glider or an light-sport aircraft (ELSA). Kits are produced and marketed by Sonex Aircraft, a small manufacturer based in Oshkosh, Wisconsin.[1]

Xenos
Role Kit aircraft
Manufacturer Sonex Aircraft
Primary user private owners

Design and development

The Xenos motor glider is an evolution of the Monnett Moni motor glider.[2]

After the introduction of the original Xenos model an Xenos-B model was introduced in January 2017, with shipments starting in March 2017. The "B" model included modification that had already been incorporated in the Sonex and Waiex "B" models, in response to customer demand. The modifications include enlarging the fuselage to provide more shoulder, hip, knee and foot room. Also the seat is moved back and staggered seating can be added by the use of seat cushions. The control stick was changed to a "Y" stick, the instrument panel enlarged, fuel capacity increased by 4 U.S. gallons (15 L; 3.3 imp gal), plus a number of improvements to speed construction time.[3]

Specifications (Xenos-B)

Data from manufacturer’s website[4]

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Length: 19 ft 9 in (6.02 m)
  • Wingspan: 45 ft 8 in (13.92 m)
  • Height: 4 ft 11 in (1.50 m)
  • Wing area: 158 sq ft (14.7 m2)
  • Empty weight: 720 lb (327 kg)
  • Gross weight: 1,275 lb (578 kg)
  • Fuel capacity: 20 US gallons (75.7 litres)
  • Powerplant: 1 × Jabiru 3300(optional) , 120 hp (89 kW)

Performance

  • Cruise speed: 140 mph (230 km/h, 120 kn) at 8000 ft
  • Stall speed: 44 mph (71 km/h, 38 kn) clean
  • Never exceed speed: 150 mph (240 km/h, 130 kn)
  • Range: 500 mi (800 km, 430 nmi)
  • Service ceiling: 23,000 ft (7,000 m)
  • g limits: +6/-3 at aerobatic gross weight or +4.4/-2.2 at utility gross weight
  • Maximum glide ratio: 24:1
  • Rate of climb: 2,000 ft/min (10 m/s)
  • Lift-to-drag: 24:1

References
  1. "Sonex Aircraft". Sonex Aircraft. Retrieved 2020-04-28.
  2. Rozansky, Murry: [https://www.sonexaircraft.com/press/kitplanes_xenos_0405.pdf "Soaringwith Sonex: Designer John Monnett returns to the motorglider scene with the two-place Xenos,"] April 2005, Kitplanes, retrieved August 22, 2020
  3. Clark, Anders (27 January 2017). "Sonex Adds New Features to Xenos B-Model Motorglider". Disciples of Flight. Archived from the original on 26 January 2017. Retrieved 2 May 2020.
  4. "Sonex". Sonex Aircraft. Archived from the original on 2005-11-25. Retrieved 2006-04-14.
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