Yuma
Role Ultralight aircraft
National origin Italy
Manufacturer Alisport
Status In production
Developed from Zenith STOL CH 701
Variants G1 Aviation G1

The Alisport Yuma is an Italian ultralight aircraft, produced by Alisport of Cremella. The aircraft is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.[1][2]

Zenith Aircraft considers the Yuma an unauthorized copy of the Zenith STOL CH 701.[3] The World Directory of Light Aviation describes it as being inspired by the CH 701.[2]

Design and development

The aircraft was designed to comply with the Fédération Aéronautique Internationale microlight rules. It features STOL performance, a strut-braced high-wing, a two-seats-in-side-by-side configuration enclosed cockpit, fixed tricycle landing gear and a single engine in tractor configuration.[1][2]

The Yuma's fuselage is made from welded steel tubing, covered in aluminium sheet and the tail surfaces covered in doped aircraft fabric. The wing is all-aluminium, with its leading edge slats made from carbon fibre. Its 9.75 m (32.0 ft) span wing employs V-struts, jury struts and flaps. Standard engines available are the 80 hp (60 kW) Rotax 912UL, the 100 hp (75 kW) Rotax 912ULS and the 115 hp (86 kW) Rotax 914 turbo-charged four-stroke powerplant.[1][2]

Specifications (Yuma)

Alisport Yuma

Data from Bayerl[1][4]

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Length: 6.45 m (21 ft 2 in)
  • Wingspan: 9.75 m (32 ft 0 in)
  • Height: 2.45 m (8 ft 0 in)
  • Wing area: 13.44 m2 (144.7 sq ft)
  • Aspect ratio: 6.6:1
  • Empty weight: 282 kg (622 lb)
  • Gross weight: 450 kg (992 lb)
  • Fuel capacity: 85 litres (19 imp gal; 22 US gal)
  • Powerplant: 1 × Rotax 912ULS four cylinder, liquid and air-cooled, four stroke, 75 kW (101 hp)

Performance

  • Maximum speed: 185 km/h (115 mph, 100 kn)
  • Cruise speed: 160 km/h (99 mph, 86 kn)
  • Stall speed: 50 km/h (31 mph, 27 kn) flaps down
  • Endurance: 4.5 hours at 75% power
  • Service ceiling: 5,000 m (16,000 ft)
  • Rate of climb: 8 m/s (1,600 ft/min)
  • Wing loading: 33.5 kg/m2 (6.9 lb/sq ft)

References

  1. 1 2 3 4 Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011–12, page 24. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  2. 1 2 3 4 Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 26. Flying Pages Europe SARL, 2015. ISSN 1368-485X
  3. ↑ Zenith Aircraft Company (n.d.). "STOL CH701". Retrieved 26 April 2012.
  4. ↑ Alisport (n.d.). "Yuma STOL Airplane". Archived from the original on 27 April 2012. Retrieved 26 April 2012.
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