Quander Airpfeil

The Quander Airpfeil (English: Air-Arrow) is a German ultralight trike that was designed and produced by UL Flugzeugbau Quander of Petershagen. The aircraft is supplied complete and ready to fly.[1]

Airpfeil
Role Ultralight trike
National origin Germany
Manufacturer Quander
Status In production (2014)

Design and development

The Airpfeil was designed to comply with the Fédération Aéronautique Internationale microlight category, including the category's maximum gross weight of 450 kg (992 lb). The aircraft has a maximum gross weight of 400 kg (882 lb). It features a cable-braced hang glider-style high wing, weight-shift controls, a two-seats-in-tandem open cockpit without a cockpit fairing, tricycle landing gear and a single engine in pusher configuration.[1]

The aircraft is made from bolted-together aluminum tubing, with its double surface Vento 13 m2 (140 sq ft) wing covered in Dacron sailcloth. The 9.5 m (31.2 ft) span wing is supported by a single tube-type kingpost and uses an "A" frame weight-shift control bar. The wing is supported by a three-tube tetrahedral structure, which is no longer common on modern trikes, but provides good strength at light weight. The powerplant is a twin-cylinder, liquid-cooled, two-stroke, dual-ignition 50 hp (37 kW) Rotax 582 engine.[1]

The aircraft has an empty weight of 130 kg (287 lb) and a gross weight of 400 kg (882 lb), giving a useful load of 270 kg (595 lb). With full fuel of 62 litres (14 imp gal; 16 US gal) the payload is 225 kg (496 lb).[1]

Specifications (Airpfeil with Vento 13 wing)

Data from Bayerl[1]

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Wingspan: 9.5 m (31 ft 2 in)
  • Wing area: 13 m2 (140 sq ft)
  • Empty weight: 130 kg (287 lb)
  • Gross weight: 400 kg (882 lb)
  • Fuel capacity: 62 litres (14 imp gal; 16 US gal)
  • Powerplant: 1 × Rotax 582 twin cylinder, liquid-cooled, two stroke aircraft engine, 48 kW (64 hp)
  • Propellers: 3-bladed composite

Performance

  • Maximum speed: 145 km/h (90 mph, 78 kn)
  • Cruise speed: 120 km/h (75 mph, 65 kn)
  • Stall speed: 50 km/h (31 mph, 27 kn)
  • Rate of climb: 5.4 m/s (1,060 ft/min)
  • Wing loading: 30.8 kg/m2 (6.3 lb/sq ft)

References
  1. Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 219. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
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