MB 02-2 Mini Bulle
Role Ultralight aircraft
National origin France
Manufacturer Aurore Sarl
Designer Michel Barry
Status In production
Developed from Aurore MB 02 Souricette

The Aurore MB 02-2 Mini Bulle (English: Mini Bubble) is a French ultralight aircraft, designed by Michel Barry and produced by Aurore Sarl of Sauvagnon. The aircraft is supplied as a kit or as plans for amateur construction.[1][2]

Design and development

The Mini Bulle was designed to comply with the Fédération Aéronautique Internationale microlight rules and is an evolution of the Aurore MB 02 Souricette with a more modern look as opposed to the MB 02's antique 1920s appearance. The Mini Bulle features a strut-braced shoulder-wing, a single-seat enclosed cockpit under a bubble canopy, fixed conventional landing gear and a single engine in tractor configuration.[1][2]

The aircraft is made from wood with its flying surfaces covered in doped aircraft fabric. Its 9 m (29.5 ft) span wing employs single supporting struts. The standard recommended engine is the 18 hp (13 kW) Hirth F23 two-stroke powerplant or the JPX 505. Differences with the earlier MB 02 include longer main landing gear legs to allow more propeller clearance and an aerodynamic cowling.[1][2]

In 2015 the aircraft kit was 6,000 and plans sold for €230.[1][2]

Specifications (MB 02-2 Mini Bulle)

Data from Bayerl and Tacke[1][2]

General characteristics

  • Crew: one
  • Wingspan: 9 m (29 ft 6 in)
  • Wing area: 10 m2 (110 sq ft)
  • Empty weight: 130 kg (287 lb)
  • Gross weight: 220 kg (485 lb)
  • Fuel capacity: 20 litres (4.4 imp gal; 5.3 US gal)
  • Powerplant: 1 × Hirth F23 single cylinder, air-cooled, two stroke aircraft engine, 13 kW (18 hp)
  • Propellers: 2-bladed wooden

Performance

  • Maximum speed: 140 km/h (87 mph, 76 kn)
  • Cruise speed: 125 km/h (78 mph, 67 kn)
  • Stall speed: 60 km/h (37 mph, 32 kn)
  • Rate of climb: 1.7 m/s (330 ft/min)
  • Wing loading: 22.0 kg/m2 (4.5 lb/sq ft)

References

  1. 1 2 3 4 5 Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 28. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  2. 1 2 3 4 5 Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 29. Flying Pages Europe SARL, 2015. ISSN 1368-485X
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