VICTORIA KR 3 – year 1925
Manufacturer: Victoria Werke AG, Nuremberg, Germany
The concept of a longitudinally placed boxer engine, promoted by the designer Martin Stolle, was also adopted in the Victoria KR motorcycle 3, which was actually an improved version of its predecessor. Model KR 3 it had a three-speed gearbox, and a little later also the rear-wheel chain drive. Air-cooled engine of this vehicle, with an overhead valve (OHV), had a displacement 496 cm3 and power 8,8 kW (12 KM) at 2600 rpm and circulation lubrication. A kind of peculiarity was the use of two independent brakes, one on the drive shaft, and the second, drum with inner jaws, on the rear wheel axle. The motorcycle weighed 110 kg. In years 1924-1926 was sold for 1750 marek.
At that time, the company was hiring 2000 employees and produced annually 15000 motorcycles - was therefore included, together with the NSU and Wanderer, to leading German motorcycle factories.
Year 1925 was successful for Victoria, also in terms of sport. The factory team received a new motorcycle, which uses the improved KR engine 3 with compressor. Its creator, Eng. Gustaw Steinlein, successor of Martin Stolle, by designing this one of the first German two-stroke motorcycles with a compressor, contributed to the continued success of the company. The advantages of the motorcycle were confirmed by the rider Adolf Brudes on the Freiburg "record days” w 1926 year, at which speed 166 km / h set a new German speed record. The further development of this promising motorcycle was hampered by design difficulties, causing m. in. Rear cylinder overheating due to inadequate cooling.
Group of models KR, mass-produced, was constantly improved. Model KR 4 already had 10,3 kW (14 KM), and in the next model, the KR 6 engine capacity has reached 598 cm3, and the power - in the sports version - as much as 18,4 kW (25 KM).
The demand for Victoria motorcycles was greater than the supply. W 1928 a completely new model was launched in the year, with a single cylinder engine with an overhead valve (OHC), with displacement 348 cm3. In the thirties, when the import of foreign engines was restricted, The KR motorcycle remained in Victoria's production program 6, new KR models 8 and KR 9 with two cylinders, lying motors 498 cm3 and light vehicles with two-stroke engines ILO and Sachs. The Victoria brand began to practically fade in 1958 r., when the company together with DKW and Express, became part of the Zweirad Union concern.