Lehmann  Falter
Data: Biplane with cantilevered wing in tandem, aspect ratio ! : 6. retractable undercarriage. The fuselage and  wingspars are made of spruce, covering of birchply. Wing is built up of two spars.
Weight empty 120 kg, load 130 kg, flying weight 250 kg
Span frontwing 6 m , the after wing 4.80 m,wingarea 10.8 m2, wing load 23.2 kg/m2
Max speed 150 km/h, landing speed 55 km/h
Engine : 1 18.5 hp Köller
Projected german improvement of the Flying Flea design ( Pou de Ciel )
Source: Der Deutsche Sportflieger June 1936