TL Ultralight TL-22 Duo

The TL Ultralight TL-22 Duo is a Czech ultralight trike that was designed and produced by TL Ultralight of Hradec Králové. Production has been completed, but when it was available the aircraft was supplied as a complete ready-to-fly-aircraft or as a kit for amateur construction.[1]

TL-22 Duo
Role Ultralight trike
National origin Czech Republic
Manufacturer TL Ultralight
Status Production completed
Number built 50 (1998)

Design and development

The aircraft was designed to comply with the Fédération Aéronautique Internationale microlight category, including the category's maximum gross weight of 450 kg (992 lb). The aircraft has a maximum gross weight of 361 kg (796 lb). It features a cable-braced hang glider-style high-wing, weight-shift controls, a two-seats-in-tandem open cockpit with a cockpit fairing, tricycle landing gear with wheel pants and a single engine in pusher configuration.[1]

The aircraft is made from bolted-together aluminum tubing, with a fibreglass cockpit fairing and its double surface wing covered in Dacron sailcloth. Its 10.6 m (34.8 ft) span wing is supported by a single tube-type kingpost, uses an "A" frame weight-shift control bar and has a wing area of 13.8 m2 (149 sq ft). The standard powerplant used is a twin cylinder, liquid-cooled, two-stroke, dual-ignition 64 hp (48 kW) Rotax 582 engine. The aircraft has an empty weight of 160 kg (353 lb) and a gross weight of 361 kg (796 lb), giving a useful load of 201 kg (443 lb). With full fuel of 42 litres (9.2 imp gal; 11 US gal) the payload is 171 kg (377 lb).[1]

Operational history

By 1998 the company reported that 50 aircraft were flying.[1]

Specifications (TL-22 Duo)

Data from AeroCrafter[1]

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Wingspan: 10.60 m (34.78 ft)
  • Wing area: 13.81 m2 (148.6 sq ft)
  • Empty weight: 160 kg (353 lb)
  • Gross weight: 361 kg (795 lb)
  • Fuel capacity: 42 litres (9.2 imp gal; 11 US gal)
  • Powerplant: 1 × Rotax 582 twin cylinder, liquid-cooled, two stroke aircraft engine, 48 kW (64 hp)
  • Propellers: 3-bladed ground adjustable composite

Performance

  • Maximum speed: 121 km/h (75 mph, 65 kn)
  • Cruise speed: 71 km/h (44 mph, 38 kn)
  • Stall speed: 42 km/h (26 mph, 23 kn)
  • Range: 320 km (200 mi, 170 nmi)
  • Wing loading: 26 kg/m2 (5.3 lb/sq ft)
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References
  1. Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition, page 266. BAI Communications, 15 July 1998. ISBN 0-9636409-4-1
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