TeST TST-3 Alpin T

The TeST TST-3 Alpin T (English: Alpine) is a Czech shoulder-wing, T-tailed, single-seat glider and motor glider that was designed and produced by TeST of Brno.[1][2][3]

TST-3 Alpin T
Role Motor glider and glider
National origin Czech Republic
Manufacturer TeST
Status Production completed
Number built 2 (December 2000)
Unit cost
€22,880 (2004)

Design and development

The TST-3 was produced in many forms, including as plans and kits or various levels of completion for amateur construction and also as a factory completed aircraft. It was produced as a motor glider with a retractable engine and also as a pure glider. Production is complete and the type is no longer available.[1]

The TST-3 is of mixed construction, using fibreglass, wood and aircraft fabric covering. The 13.4 m (44.0 ft) span wing is equipped with winglets and a Wortmann FX 61-184 airfoil. The tractor configuration Hirth F-33 16 kW (21 hp) motor is mounted on a strut that retracts aft into a bay behind the cockpit and is enclosed by two doors. A Rotax 503 of 37 kW (50 hp) was optional. The landing gear is retractable monowheel gear.[1][3][4]

Two were reported to have been completed by December 2000. In December 1998 the glider version was US$13,000. In December 2000 the kit was US$10,000, complete aircraft US$23,300 and the plans US$350. In 2004 the complete aircraft was €22,880.[1][2][3]

Variants
TST-3 Alpine TM
Motorized version[1]

Specifications (TST-3 Alpin TM)

Data from World Directory of Leisure Aviation and KitPlanes[1][3]

General characteristics

  • Crew: one
  • Length: 5.8 m (19.1 ft)
  • Wingspan: 13.4 m (44 ft 0 in)
  • Wing area: 10 m2 (110 sq ft)
  • Airfoil: Wortmann FX 61-184
  • Empty weight: 141 kg (310 lb)
  • Gross weight: 249 kg (550 lb)
  • Powerplant: 1 × Hirth F-33 single cylinder two stroke aircraft engine, 16 kW (22 hp)

Performance

  • Stall speed: 62 km/h (39 mph, 33 kn)
  • Never exceed speed: 180 km/h (110 mph, 97 kn)
  • Maximum glide ratio: 31:1 at 85 km/h (53 mph)
  • Rate of sink: 0.75 m/s (148 ft/min)
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See also

References
  1. Bertrand, Noel; Rene Coulon; et al: World Directory of Leisure Aviation 2003-04, page 59. Pagefast Ltd, Lancaster OK, 2003. ISSN 1368-485X
  2. Downey, Julia: 1999 Kit Aircraft Directory, Kitplanes, Volume 15, Number 12, December 1998, page 71. Primedia Publications. ISSN 0891-1851
  3. Downey, Julia: 2001 Kit Aircraft Directory, Kitplanes, Volume 17, Number 12, December 2000, page 77. Kitplanes Acquisition Company. ISSN 0891-1851
  4. Lednicer, David (2010). "The Incomplete Guide to Airfoil Usage". Retrieved 9 September 2011.
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