Frank Hartop and Sons

1926. Hartop Model S.

Hartop Model S. 1.25 hp.

1925. Hartop model FE. 1.5-hp.

1927. Model M. 1.25 hp.

1933. Hartop model H. 1 hp.

March 1928

March 1929.

April 1932.

February 1933.

August 1933.

November 1934.

1934.

January 1935.

of St. Leonard's Avenue, Bedford.

c1920 Company established by Frank Hartop

1922 Company moved top St Leonards Avenue

1922 The horizontal model 'S' replaced the 'AV'

c1922 Started producing an i/c engine

1924 The S type engine introduced in 0.33, 0.5, 0.75, 1 and 1.24 hp sizes.

1927 Company moved to Miller Road, Bedford

1928 Introduced the FE vertical two-stroke 1.25 hp engine

1929/30 The H type vertical four-stroke engine introduced rated at 1 hp / 750 rpm.

1933 The H type governed was introduced and remained in production until 1943

M type introduced

1940 Company incorporated

Post WWII Engine production re-started by Frank Hartop, Junior but after a couple of years he retired and the production was taken over by the Premier Engine Co (or possibly R. Percy Robinson Motor and Engineering Co)

1949 Frank Hartop dies

1950 Company dissolved

Sources of Information

A-Z of British Stationary Engines by Patrick Knight. Published 1996. ISBN 1 873098 37 5