KTM the war, demand for repair works fell sharply and Trunkenpolz started thinking about producing his own motorcycles. The prototype of his first motorcycle, the R100, was built in 1951. The components of the motorcycle were produced in house, except for the Rotax engines which were made by Fichtel & Sachs. Serial production of the "R100" started in 1953. With just 20 employees, motorcycles were built at the rate of three per day. In 1953, businessman Ernst Kronreif became a sizable shareholder of the company which was renamed and registered as "Kronreif & Trunkenpolz Mattighofen". In 1954, the "R125 Tourist" was
Planer (metalworking) have been contentious and will probably never be known, because the development work being done in various shops was undocumented for various reasons (partially because of proprietary secrecy, and also simply because no one was taking down records for posterity). Roe (1916) provides a short chapter that tells the story as thoroughly as he was able to discover it. Planer (metalworking) A planer is a type of metalworking machine tool that uses linear relative motion between the workpiece and a single-point cutting tool to cut the work piece. A planer is similar to a shaper, but larger, and with workpiece