TL Ultralight TL-22 Duo

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

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]

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: 11 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; 65 kn (75 mph)
• Cruise speed: 71 km/h; 38 kn (44 mph)
• Stall speed: 42 km/h; 23 kn (26 mph)
• Range: 322 km; 174 nmi (200 mi)
• Wing loading: 26 kg/m² (5.3 lb/sq ft)

References

1. Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition, page 266. BAI Communications, 15 July 1998. ISBN 0-9636409-4-1

External links

• Photo of a TL-22 Duo