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Rainbow Cheetah

South African ultralight aircraft From Wikipedia, the free encyclopedia

Rainbow Cheetah
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The Rainbow Cheetah a South African ultralight and light-sport aircraft, designed by Vladimir Chechin and produced by Rainbow Aircraft. The aircraft is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.[1]

Quick Facts Cheetah, Role ...
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Design and development

The aircraft was derived from the Best Off Skyranger[1] and designed to comply with Canadian Advanced Ultralight criteria and the US light-sport aircraft rules. It features a strut-braced high-wing, a two-seats-in-side-by-side configuration enclosed cockpit with optional doors for access, fixed tricycle landing gear or optionally conventional landing gear and a single engine in tractor configuration.[1][2]

The aircraft is made from bolted-together aluminum tubing, with its flying surfaces covered in Dacron sailcloth. Its 9.6 m (31.5 ft) span wing has an area of 13.25 m2 (142.6 sq ft) and mounts flaps. Standard engines available are the 64 hp (48 kW) Rotax 582 two-stroke, the 80 hp (60 kW) Rotax 912UL and the 100 hp (75 kW) Rotax 912ULS four-stroke powerplants.[1]

The Cheetah XLS has been accepted by Transport Canada as an Advanced Ultralight as both a land plane and seaplane, powered by the Rotax 582 two-stroke, the Rotax 912UL, the Rotax 912ULS, the Verner VM133 and the 85 hp (63 kW) Jabiru 2200A engines.[3]

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Operational history

By August 2012 there were three Cheetahs on the Federal Aviation Administration registry and two on the Transport Canada Civil Aircraft Register.[4][5]

Variants

Cheetah XLS
Current production model (2012) with tricycle landing gear.[1][6]
Cheetah XLS Taildragger
Current production model (2012) with conventional landing gear.[1][7]

Specifications (Cheetah XLS)

Data from Bayerl and manufacturer[1][8]

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Length: 5.67 m (18 ft 7 in)
  • Wingspan: 9.6 m (31 ft 6 in)
  • Height: 1.9 m (6 ft 3 in) to top of wing
  • Wing area: 13.25 m2 (142.6 sq ft)
  • Aspect ratio: 7.01
  • Empty weight: 248 kg (547 lb)
  • Gross weight: 560 kg (1,235 lb)
  • Fuel capacity: 100 litres (22 imp gal; 26 US gal)
  • Powerplant: 1 × Rotax 912UL four cylinder, liquid and air-cooled, four stroke aircraft engine, 60 kW (80 hp)

Performance

  • Maximum speed: 177 km/h (110 mph, 96 kn)
  • Cruise speed: 135 km/h (84 mph, 73 kn)
  • Stall speed: 56 km/h (35 mph, 30 kn) flaps down
  • Never exceed speed: 201 km/h (125 mph, 109 kn)
  • Range: 1,080 km (670 mi, 580 nmi) with reserves
  • Endurance: 7.5 hours
  • g limits: +6g/-4g
  • Maximum glide ratio: 10:1
  • Rate of climb: 5.3 m/s (1,040 ft/min)
  • Wing loading: 42.3 kg/m2 (8.7 lb/sq ft)
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References

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