. . . "0.78"^^ . . . . . "Two seat tandem sailplane"@en . . . "35"^^ . "12075"^^ . . . . . . . . "33727678"^^ . . "The Czerwi\u0144ski-Shenstone Harbinger, aka the Shenstone-Czerwi\u0144ski Harbinger or the Shenstone Harbinger was a Canadian high performance tandem seat sailplane designed in Canada. Only two were built, one in the UK and one in Canada. The latter did not fly until 1975, being under construction for 26 years; the former remained active until at least 1994."@en . . . "25"^^ . . "British Gliders and Sailplanes 1922\u20131970 The World's Sailplanes:Die Segelflugzeuge der Welt:Les Planeurs du Monde Volume II"@en . . "Czerwi\u0144ski-Shenstone Harbinger"@en . . "*Aerotow speed: \n*Winch launch speed: \n*Terminal velocity: with full airbrakes"@en . . . . . . . . "2"^^ . "6"^^ . . . . . "2"^^ . "1958-07-26"^^ . . "The Czerwi\u0144ski-Shenstone Harbinger, aka the Shenstone-Czerwi\u0144ski Harbinger or the Shenstone Harbinger was a Canadian high performance tandem seat sailplane designed in Canada. Only two were built, one in the UK and one in Canada. The latter did not fly until 1975, being under construction for 26 years; the former remained active until at least 1994."@en . . "0"^^ . . . . "668"^^ . . . . "1088131018"^^ . . . "2"^^ . "Maximum 26 at"@en . "imp"@en . . "240"^^ . "60"^^ . . . . . . . . . . . . . . "22.5"^^ . "minimum at"@en . . "209"^^ . . . . . "NACA 4410 at root, NACA 4413 at strut, NACA 4409 at tip"@en . . . "0"^^ . . "0"^^ . . "5400"^^ . . "Beverley Shenstone and Waclaw Czerwi\u0144ski"@en . . . "1102"^^ . . . "15"^^ . . . .