title: Stralpes Aéro ST-11
text: # Stralpes Aéro ST-11
  
  The Stralpes Aéro ST-11 is a French single-seat club-class sailplane designed by Christian Brondel and built by Stralpes Aéro of Challes-les-Eaux.
  
  ## Design and development
  
  The ST-11 is a cantilever mid-wing monoplane with a cruciform tail and the prototype first flew on 29 August 1982. The landing gear is a fixed semi-recessed monowheel gear and a tailskid, the enclosed single-seat cockpit has a one-piece canopy.
  
  ### ST-11M Minimus
  
  A powered motor-glider version.
  
  ## Specifications
  
  Data from Jane's All the World's Aircraft 1989-90
  
  General characteristics
  
  * Crew: 1
  * Length: 5.55 m (18 ft 2.5 in)
  * Wingspan: 11.60 m (38 ft 0.25 in)
  * Height: 1.135 m (3 ft 8.75 in)
  * Wing area: 6.54 $m^2$ (70.4 sq ft)
  * Aspect ratio: 20.6
  * Empty weight: 110 kg (243 lb)
  * Gross weight: 230 kg (507 lb)
  
  Performance
  
  * Maximum speed: 230 km/h (143 mph, 124 kn)
  * Stall speed: 68 km/h (42 mph, 36 kn)
  * g limits: +5.3/-2.65
  * Maximum glide ratio: 35
  * Rate of sink: 0.65 m/s (128 ft/min)
  