Lucas L11

The Lucas L11 is a French ultralight aircraft that was designed by Emile Lucas. The aircraft is supplied in the form of plans for amateur construction.[1][2]

L11
Role Ultralight aircraft
National origin France
Designer Emile Lucas
Status Plans available

Design and development

The aircraft was designed to comply with the Fédération Aéronautique Internationale microlight rules. It features a cantilever low-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 aircraft is made from sheet aluminum with its windshield made from a single piece of flat plastic to save money on construction costs. Access to the cockpit is via gull-winged doors. Its 8.40 ft (2.6 m) span wing has an area of 9.00 m2 (96.9 sq ft) and is equipped with flaps. The standard recommended engine is the 85 hp (63 kW) Jabiru 2200 four-stroke powerplant.[1][2]

Variants
L 11
Base model with a tapered wing.[1][2]
L 12
Version with a rectangular wing and simplified construction, offered as a kit only.[2]

Specifications (L11)

Data from Bayerl[1]

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Wingspan: 8.40 m (27 ft 7 in)
  • Wing area: 9.00 m2 (96.9 sq ft)
  • Empty weight: 275 kg (606 lb)
  • Gross weight: 450 kg (992 lb)
  • Fuel capacity: 80 litres (18 imp gal; 21 US gal)
  • Powerplant: 1 × Jabiru 2200 four cylinder, air-cooled, four stroke aircraft engine, 63 kW (85 hp)
  • Propellers: 2-bladed composite

Performance

  • Maximum speed: 203 km/h (126 mph, 110 kn)
  • Cruise speed: 180 km/h (110 mph, 97 kn)
  • Stall speed: 65 km/h (40 mph, 35 kn)
  • Rate of climb: 5 m/s (980 ft/min)

References
  1. Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 46. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  2. Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 46. Flying Pages Europe SARL, 2015. ISSN 1368-485X
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