InterPlane Starboy

The InterPlane Starboy was a proposed Czech homebuilt aircraft designed by InterPlane Aircraft of Zbraslavice. The aircraft was intended to be supplied as a complete ready-to-fly-aircraft or as a kit for amateur construction, but none seem to have been built.[1]

Starboy
Artist's three-view rendering of the InterPlane Starboy
Role Homebuilt aircraft
National origin Czech Republic
Manufacturer InterPlane Aircraft
Status Proposed (1998)
Number built None

Design and development

The Starboy design featured a cantilever low-wing, a two-seats-in-side-by-side configuration enclosed cockpit under a bubble canopy, fixed tricycle landing gear with wheel pants and a single engine in tractor configuration.[1]

The aircraft was to have been constructed of a combination of aluminum and composite materials. Its 8.0 m (26.2 ft) span wing would have had a wing area of 12.41 m2 (133.6 sq ft). The standard engine proposed was the 80 hp (60 kW) Rotax 912UL.[1]

The aircraft was to have a typical empty weight of 245 kg (540 lb) and a gross weight of 450 kg (990 lb), giving a useful load of 205 kg (452 lb). With full fuel of 50 litres (11 imp gal; 13 US gal) the payload for pilot, passenger and baggage would have been 169 kg (373 lb).[1]

The manufacturer estimated the construction time from the planned kit as 500 hours.[1]

Specifications (Starboy)

Data from AeroCrafter[1]

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Length: 7.56 m (24.80 ft)
  • Wingspan: 10.49 m (34.40 ft)
  • Wing area: 12.41 m2 (133.6 sq ft)
  • Aspect ratio: 8.8:1
  • Empty weight: 245 kg (540 lb)
  • Gross weight: 450 kg (992 lb)
  • Fuel capacity: 50 litres (11 imp gal; 13 US gal)
  • Powerplant: 1 × Rotax 912UL four cylinder, air and liquid-cooled, four stroke aircraft engine, 60 kW (80 hp)

Performance

  • Maximum speed: 220 km/h (137 mph, 119 kn)
  • Cruise speed: 150 km/h (93 mph, 81 kn)
  • Stall speed: 55 km/h (34 mph, 30 kn)
  • Rate of climb: 7.04 m/s (1,386 ft/min)
  • Wing loading: 36 kg/m2 (7.4 lb/sq ft)
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References
  1. Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition, page 353. BAI Communications, 15 July 1998. ISBN 0-9636409-4-1
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