The famous 'Ulster', which quickly became synonymous with the Rudge name, was introduced in 1929 following the Ulster Grand Prix win by Graham Walker at over 80 mph.

The Golden year of 1930 saw the junior TT 1, 2, 3 win using the newly untried fully radial 350cc 4 valve engines and the following year saw the first road machine with the fully radial valve layout. Another distinctive Rudge feature appeared in 1932, the much admired stand handle allowing the machine to be placed on the centre stand with 'just one finger'.

The 'semi-radial' aluminium bronze cylinder head appeared on a road machine in 1934 and development in this engine area continued resulting in full enclosure of the valve gear from 1937 onwards.

In the final year of manufacture in 1939, the cylinder head was cast from RR50 light alloy with iron valve seat inserts. Although production ceased in December 1939, affection for the Marque continues with some 1700 machines on the club register, which continues to grow year by year...