TL-Ultralight Stream

The TL-Ultralight Stream is a Czech ultralight aircraft, designed and produced by TL-Ultralight of Hradec Králové, introduced at the AERO Friedrichshafen show in 2013.[1]

Stream
TL-Ultralight Stream at AERO Friedrichshafen 2018
Role Ultralight aircraft
National origin Czech Republic
Manufacturer TL-Ultralight
Introduction 2013
Status In production (2017)

Design and development

The Stream is the company's fastest design to date. It was designed to comply with the Fédération Aéronautique Internationale microlight rules. It features a cantilever low-wing, an enclosed cockpit with two-seats-in-tandem under a bubble canopy, retractable tricycle landing gear and a single engine in tractor configuration.[1]

The aircraft is made from composite materials. Its 9.0 m (29.5 ft) span wing mounts flaps. Standard engines available are the 100 hp (75 kW) Rotax 912ULS and 912iS, and the turbocharged 115 hp (86 kW) Rotax 914 four-stroke powerplants, driving a three-bladed PowerMax propeller.[1][2]

Operational history

Reviewer Marino Boric described the design in a 2015 review as "very sleek" and added that it "should give the pilot the feeling of piloting a jet-fighter."[1]

Specifications (Stream)

Data from Tacke and manufacturer[1][2]

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Length: 6.785 m (22 ft 3 in)
  • Wingspan: 9.00 m (29 ft 6 in)
  • Height: 2.475 m (8 ft 1 in)
  • Wing area: 9.962 m2 (107.23 sq ft)
  • Empty weight: 297 kg (655 lb)
  • Gross weight: 472.5 kg (1,042 lb)
  • Fuel capacity: 90
  • Powerplant: 1 × Rotax 912ULS four cylinder, liquid and air-cooled, four stroke aircraft engine, 75 kW (101 hp)
  • Propellers: 3-bladed PowerMax

Performance

  • Maximum speed: 325 km/h (202 mph, 175 kn)
  • Stall speed: 65 km/h (40 mph, 35 kn)
  • Never exceed speed: 335 km/h (208 mph, 181 kn)
  • Range: 1,400 km (870 mi, 760 nmi)
  • Rate of climb: 6 m/s (1,200 ft/min)

References
  1. Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 84. Flying Pages Europe SARL, 2015. ISSN 1368-485X
  2. TL-Ultralight (2017). "TL-Ultralight Stream". tl-ultralight.cz. Retrieved 22 March 2017.
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