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LIBIS KB-6

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KB-6 Matajur
General information
TypeTwo-seat light basic trainer and touring aircraft
ManufacturerLIBIS aircraft (Letalski Inštitut Branko Ivanuš Slovenija)
Designer
Dušan Cener
StatusRetired
Primary userSlovenian aero clubs
History
First flight4 June 1952

The LIBIS KB-6 Matajur was a 1950s Slovenian two-seat light monoplane designed and produced by LIBIS aircraft during Yugoslavian period.

Design and development

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The aircraft design office of LIBIS brought together teachers and students of the Ljubljana technical high school. The design office designed the KB-6 Matajur which was a two-seat light trainer and tourer that first flew on 4 June 1952. The KB-6 was a cantilever low-wing monoplane with fixed tailwheel landing gear and an enclosed cockpit with side-by-side seating and dual controls. The aircraft was produced for use in aero-clubs until the mid-1960s.

Variants

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KB-6 Matajur
Main production variant, powered by a 135 hp (101 kW) Regnier 4L.00 inline engine.
KB-6T Matajur-Trised
Three-seat development powered by a 160 hp (120 kW) Walter Minor 6-III-J inline engine, eight built.[1]
LIBIS 160
Further developed version of the KB-6T with swept vertical tail, 11 built.[1]

Specifications (KB-6)

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Data from Jane's All The World's Aircraft 1953-54[2]

General characteristics

  • Crew: 2
  • Length: 8.36 m (27 ft 5 in)
  • Wingspan: 10.60 m (34 ft 9 in)
  • Height: 2.15 m (7 ft 1 in)
  • Wing area: 14.0 m2 (151 sq ft)
  • Aspect ratio: 8:1
  • Empty weight: 659 kg (1,453 lb)
  • Gross weight: 979 kg (2,158 lb)
  • Fuel capacity: 141 L (37 US gal; 31 imp gal)
  • Powerplant: 1 × Régnier 4L.00 inverted four-cylinder air-cooled inline piston engine, 101 kW (135 hp)
  • Propellers: 2-bladed fixed pitch wooden propeller, 1.95 m (6 ft 5 in) diameter

Performance

  • Maximum speed: 222 km/h (138 mph, 120 kn) at sea level
  • Cruise speed: 200 km/h (120 mph, 110 kn)
  • Stall speed: 88 km/h (55 mph, 48 kn) (flaps down)
  • Range: 820 km (510 mi, 440 nmi)
  • Service ceiling: 4,500 m (14,800 ft)
  • Rate of climb: 3.50 m/s (689 ft/min)

Notes

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  1. ^ a b Taylor 1964, p.335
  2. ^ Bridgman 1953, pp. 279–280.

References

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  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.
  • Bridgman, Leonard, ed. (1953). Jane's All The World's Aircraft 1953-54. London: Jane's.
  • Taylor, John W R (1964). Jane's All the World's Aircraft 1964-65. London: Sampson Low, Marston & Co. Ltd.
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