Aveko VL-3 Sprint

The Aveko VL-3 Sprint also called the VL-3 Evolution is a Czech ultralight aircraft, designed and initially produced by Aveko of Brno. The design is now produced by JMB Aircraft of Choceň. The aircraft is supplied as a complete ready-to-fly-aircraft.[1][2][3]

VL-3 Sprint
VL-3 Sprint RG
Role Ultralight aircraft
National origin Czech Republic
Manufacturer Aveko
JMB Aircraft
Status In production
Variants Gobosh 800XP

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 or retractable tricycle landing gear and a single engine in tractor configuration.[1][2]

The aircraft is made from composites. Its 8.44 m (27.7 ft) span wing has a small wing area of 9.77 m2 (105.2 sq ft). The standard engine is the 100 hp (75 kW) Rotax 912ULS four-stroke powerplant.[1][2]

A fixed gear version with a larger wing span and area as well as a higher gross weight was developed for the US light-sport aircraft category and is marketed as the Gobosh 800XP.[1][2]

Operational history

A VL-3 set a world two-seat ultralight class record of 274.78 km/h (170.74 mph) in 2005.[1][2]

Variants
Aveko VL-3 FG Sprint
VL-3 FG
Fixed landing gear model[1]
VL-3 RG
Retractable landing gear model[1]
VL-3C-1
Model with fixed landing gear and a slower wing and 600 kg (1,323 lb) take-off weight for the light-sport aircraft category.[2]

Specifications (VL-3 Sprint)
Aveko VL-3 FG Sprint
JMB VL-3 Evolution RG at AERO Friedrichshafen 2019

Data from Bayerl and JMB Aircraft[1][4][5]

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Length: 6.24 m (20 ft 6 in)
  • Wingspan: 8.44 m (27 ft 8 in)
  • Height: 2.05 m (6 ft 9 in)
  • Wing area: 9.77 m2 (105.2 sq ft)
  • Empty weight: 290 kg (639 lb)
  • Gross weight: 472.5 kg (1,042 lb)
  • Fuel capacity: 90 to 120 litres (20 to 26 imp gal; 24 to 32 US gal)
  • Powerplant: 1 × Rotax 912ULS four cylinder, liquid and air-cooled, four stroke aircraft engine, 75 kW (101 hp)

Performance

  • Maximum speed: 280 km/h (170 mph, 150 kn)
  • Cruise speed: 250 km/h (160 mph, 130 kn)
  • Stall speed: 53 km/h (33 mph, 29 kn)
  • Never exceed speed: 305 km/h (190 mph, 165 kn)
  • Rate of climb: 6 m/s (1,200 ft/min)

References
  1. Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 30. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  2. Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 64. Flying Pages Europe SARL, 2015. ISSN 1368-485X
  3. JMB Aircraft (n.d.). "Contact". Retrieved 27 May 2012.
  4. JMB Aircraft (n.d.). "VL-3 World's Fastest Ultralight Aircraft". Retrieved 9 May 2012.
  5. "VL-3 World's Fastest Ultralight Aircraft". Retrieved 20 May 2019.
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