S-STOL
Role Ultralight aircraft and Light-sport aircraft
National origin Germany
Manufacturer Roland Aircraft
Status In production (2012)

The Roland S-STOL is a German STOL ultralight and light-sport aircraft, produced by Roland Aircraft. The aircraft is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.[1][2]

Design and development

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

The aircraft is made from sheet aluminum. Its 8.20 m (26.9 ft) span wing has an area of 11.4 m2 (123 sq ft) leading edge slots and flaps. The wing is supported by V-struts with jury struts. The standard engine available is the 80 hp (60 kW) Rotax 912UL four-stroke powerplant. The S-STOL can be de-rigged for storage and folding wings are a factory option. The aircraft can be fitted with wheels, skis and floats and can be used to tow gliders and hang gliders.[1][2]

Operational history

Reviewer Marino Boric described the design in a 2015 review saying, "high reliability, robustness and real short-field ability make it a good-natured aircraft with forgiving characteristics both in the air and on the ground, where its robust undercarriage, high ground clearance and tundra tires help it cope with the roughest strips."[2]

Specifications (S-STOL)

Data from Bayerl and Roland Aircraft[1][3]

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Length: 6.10 m (20 ft 0 in)
  • Wingspan: 8.20 m (26 ft 11 in)
  • Wing area: 11.4 m2 (123 sq ft)
  • Empty weight: 275 kg (606 lb)
  • Gross weight: 530 kg (1,168 lb)
  • Fuel capacity: 90 litres (20 imp gal; 24 US gal) in two wing tanks
  • Powerplant: 1 × Rotax 912UL four cylinder, liquid and air-cooled, four stroke aircraft engine, 60 kW (80 hp)

Performance

  • Maximum speed: 180 km/h (110 mph, 97 kn)
  • Cruise speed: 140 km/h (87 mph, 76 kn)
  • Stall speed: 58 km/h (36 mph, 31 kn)
  • Service ceiling: 4,600 m (15,000 ft)
  • g limits: +6/-3
  • Rate of climb: 6.5 m/s (1,280 ft/min)
  • Wing loading: 46.5 kg/m2 (9.5 lb/sq ft)

See also

References

  1. 1 2 3 4 Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 73. 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 77. Flying Pages Europe SARL, 2015. ISSN 1368-485X
  3. ↑ "STOL Technische Daten". Roland-aircraft.de. Archived from the original on 11 June 2012. Retrieved 29 August 2012.
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