Aeros Still

The Aeros Still is a Ukrainian single-surface ultralight trike wing, designed and produced by Aeros of Kyiv. The wing is widely used on Aeros trikes as well as by other ultralight aircraft manufacturers.[1]

Still
Role Ultralight trike wing
National origin Ukraine
Manufacturer Aeros
Status In production (2013)

Design and development

The Still wing is a cable-braced, king post-equipped hang glider-style wing designed as a docile beginner and flight training wing for two-place trikes. It comes in one size, the Still-17, named for its metric wing area of 17.4 m2 (187 sq ft).[1][2]

The wing is made from bolted-together aluminium tubing, with its single surface wing covered in Dacron sailcloth. The wing's crosstube is exposed and is of a floating design. Its 10.3 m (33.8 ft) span wing has a nose angle of 122°, an aspect ratio of 6.1:1 and uses an "A" frame weight-shift control bar.[1][3]

Applications

Specifications (Still-17)

Data from Bayerl and Aeros[1][3]

General characteristics

  • Wingspan: 10.3 m (33 ft 10 in)
  • Wing area: 17.4 m2 (187 sq ft)
  • Aspect ratio: 6.1:1
  • Empty weight: 45 kg (99 lb) wing weight
  • Gross weight: 450 kg (992 lb) maximum aircraft gross weight allowed

Performance

  • Cruise speed: 80 km/h (50 mph, 43 kn)
  • Stall speed: 50 km/h (31 mph, 27 kn)
  • Never exceed speed: 105 km/h (65 mph, 57 kn)
  • g limits: +4/-2
  • Wing loading: 25.9 kg/m2 (5.3 lb/sq ft) maximum

References
  1. Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 198. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  2. Aeros (2005). "Still". Retrieved 20 February 2013.
  3. Aeros (2005). "Still Performance". Retrieved 20 February 2013.
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