Austrian Motorcycles

Today in Motorcycle History

RZ Motorcycles

Rudolf Zemann of Lambach purchased the defunct Freyler company in 1928 and further developed the interesting engine, housing it in a conventional tube frame and later in an Ardie Silberfuchs (Silver Fox) duralium chassis.

Rather than continuing with the Freyler rotary valve system he opted for a more conventional bevel-driven OHC system similar to that of Chater Lea, driving through a Sturmey-Archer gearbox. Six different versions of his motorcycle were created, the last in 1930.
Source: GTU Oldtimerservice, voz.co.at, et al

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