Sokół 1000 (or M 111) from 1937. The motorcycle was built from 1933 to 1939. It was fitted with two-cylinder, four-stroke SV twin engine. Engine displacement: 995,4cc, power output: 18 HP at 3000 rpm (maximum power output 20-22 HP at 4000 rpm). Weight: 270 kg, with a sidecar 375 kg. Standard working load was 280 kg. Top speed: 100 km/h. Three speed manual gearbox. Average fuel usage: 7 - 7,5 l per 100 km.
Co-designers: Krzysztof Brun, Jerzy Jankowski and Tadeusz Mathia, produced by the Warsaw Motorcycle Factory, collections of the Motorization Museum, a branch of the Museum of Technology in Warsaw Photo: Michał Korta