The Dutch Simplex was made betwween 1902 and
1968. Early machines were fitted with Fafnir,
MAG and Minerva engines, Motosacoche in the
early twenties, and from the mid 1920s utilised
both Blackburne and Bradshaw power units. In
the late 1930s they also used Villiers (including
a watercooled version) and Sachs two strokes.
English Simplex machines were 105cc two strokes
for use on bicycles, and were made from 1919
to 1922.
Italian Simplex motorcycles were built by Luigi
Pellini between 1921 an 1950 using his own OHV
engines of 149cc, 174cc, 210cc and 496cc, and
after the war similar machines with 148cc and
248cc engines. There was also an American Simplex
made from the late 1930s to the late 1960s,
powered by small industrial engines including
Clinton.
