Girish Mahajan (Editor)

Orlican VT 16 Orlik

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Top speed
  
220 km/h

Length
  
7.4 m

Manufacturer
  
Orlican

Wingspan
  
16 m

First flight
  
August 1959

Orlican VT-16 Orlik httpsuploadwikimediaorgwikipediacommonsthu

The Orlican VT-16 Orlik is a single-seat club glider, serving Czech gliding clubs and setting several national records in the early 1960s.

Contents

Design and development

The VT-16 Orlik was designed by Jiri Matejček and is a high-wing monoplane of all-wood construction, except that the skin is stabilized with polystyrene foam. Its wing has a single spar structure with a forward torsion box; the whole wing is plywood skinned and foam filled, allowing the ribs to be comparatively widely spaced. In plan it is straight-tapered with blunt tips; there are 3° of dihedral. It has conventional plain ailerons and spoilers at mid-chord, which extend both above and below the wing. At the time of its first flight in August 1959 it was a Standard Class glider with a 15 m (49 ft 3 in) span. Later aircraft had 16 m (52 ft 6 in) and 18 m (59 ft 1 in) spans but it was the 16 m version that went into series production.

The fuselage of the Orlik is a semi-monocoque of deep oval cross-section, tapering to the tail. The single-seat cockpit, placed just ahead of the wing, is covered by a side-hinged blown canopy. Its tail is conventional with a straight-edged, ply-covered and foam-filled all-moving tailplane, fitted with an anti-balance tab, mounted on top of the fuselage and ahead of the small fin which is constructed in the same way. The fabric-covered, balanced rudder is broad and taller than the fin, reaching down to the keel. Overall, the vertical tail has almost upright straight edges and a blunt tip. The Orlik has a fixed, semi-recessed monowheel ahead of the wing leading edge, assisted by a small tail bumper.

Operational history

25 VT-16 Orliks were produced in the first series production run, going to Czech gliding clubs. The Orlik also set several new Czech national gliding records during 1962. 15 VT-16s and 48 VT-116s remain on the Czech civil aircraft register in 2010, though some are disassembled.

Variants

VT-16 Orlik
about 85 built.
VT-116 Orlik II
about 220 built.

Aircraft on display

  • Prague Aviation Museum, Kbely: Orlik I OE-2408
  • Specifications (VT-16)

    Data from The World's Sailplanes II, p.62-3

    General characteristics

  • Crew: one
  • Length: 7.40 m (24 ft 3 in)
  • Wingspan: 16.0 m (52 ft 6 in)
  • Wing area: 12.80 m2 (137.8 sq ft)
  • Aspect ratio: 20.0
  • Airfoil: NACA 64-818
  • Empty weight: 215 kg (474 lb)
  • Gross weight: 320 kg (705 lb)
  • Performance

  • Maximum speed: 220 km/h (137 mph; 119 kn) placard, smooth air
  • Stall speed: 61 km/h (38 mph; 33 kn)
  • Maximum glide ratio: 32.5 at 71 km/h (44 mph; 38 kn)
  • Rate of sink: 0.56 m/s (110 ft/min) at 63 km/h (39 mph; 34 kn)
  • Wing loading: 25.0 kg/m2 (5.1 lb/sq ft)
  • References

    Orlican VT-16 Orlik Wikipedia