https://aeriane.com/the-new-swift-3/ Here are the official specifications for the Aeriane Swift 3 tailless sailplane glider, taken directly from the Aeriane Swift 3 Product Page:Key Features & DesignWingspan: 14 metersAspect Ratio: 17Wing Surface Area: 11.5 m²Design Features: Aerodynamic design, improved controls, a hinged canopy, and an improved pilot seat on the electric version.Performance SpecsNever Exceed Speed (VNE): 140 km/hMax Glide Ratio (Foot-launchable version): 35:1Max Glide Ratio (Electric version): 33:1Minimum Sink Rate (Foot-launchable version): 0.47 m/s at 53 km/hMinimum Sink Rate (Electric version): 0.55 m/s at 57 km/h