Drachen Studio Kecur Royal 912

The Drachen Studio Kecur Royal 912 is a German ultralight trike, designed and produced by Drachen Studio Kecur of Mettmann. The aircraft is supplied as a complete ready-to-fly-aircraft.[1]

Royal 912
Role Ultralight trike
National origin Germany
Manufacturer Drachen Studio Kecur
Status In production (2013)

Design and development

The Royal 912 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 450 kg (992 lb). It features a cable-braced hang glider-style high-wing, weight-shift controls, a two-seats-in-tandem open cockpit, tricycle landing gear with wheel pants and a single engine in pusher configuration.[1]

The aircraft is made from bolted-together aluminum tubing, with its single surface wing covered in Dacron sailcloth. Its 10.48 m (34.4 ft) span wing is supported by a single tube-type kingpost and uses an "A" frame weight-shift control bar. The powerplant is a four-cylinder, air and liquid-cooled, four-stroke, dual-ignition 80 hp (60 kW) Rotax 912 or 100 hp (75 kW) Rotax 912S engine. The aircraft has an empty weight of 230 kg (507 lb) and a gross weight of 450 kg (992 lb), giving a useful load of 220 kg (485 lb). With full fuel of 55 litres (12 imp gal; 15 US gal) the payload is 180 kg (397 lb).[1]

The aircraft carriage is manufactured under sub-contract in Slovenia. A number of different wings can be fitted to the basic carriage, but the standard wing is the Drachen Studio Kecur EOS 15 with a wing area of 15 m2 (160 sq ft) and which is equipped with spoilers.[1]

Specifications (Royal 912)

Data from Bayerl[1]

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Wingspan: 10.48 m (34 ft 5 in)
  • Wing area: 15 m2 (160 sq ft)
  • Empty weight: 230 kg (507 lb)
  • Gross weight: 450 kg (992 lb)
  • Fuel capacity: 55 litres (12 imp gal; 15 US gal)
  • Powerplant: 1 × Rotax 912UL four cylinder, liquid and air-cooled, four stroke aircraft engine or twin cylinder, liquid-cooled, two stroke aircraft engine, 60 kW (80 hp)
  • Propellers: 3-bladed composite

Performance

  • Maximum speed: 150 km/h (93 mph, 81 kn)
  • Cruise speed: 115 km/h (71 mph, 62 kn)
  • Stall speed: 62 km/h (39 mph, 33 kn)
  • Rate of climb: 6.5 m/s (1,280 ft/min)
  • Wing loading: 30.0 kg/m2 (6.1 lb/sq ft)

References
  1. Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 208. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
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