

Replacement for off-road Cyclone Clubman and available in all markets Tuned off-road version of A50 Star (US only) Known as "Gold Star Twin" in the USĪlso called "Star Twin" and "Royal Star" Called "Royal Star" in all markets from 1966 onwards Special - tuned Super Rocket in a Gold Star frame. Limited edition for homologation for production racing in the USAĪmal TT 'racing' carburettor and new "357" full-race camshaft Known as "Royal Tourist" in the US from 1960 Called "Flash" in the US after 1954īSA's first 650 cc parallel twin. All A50, A65 and A70 models were unit construction.īSA's first parallel twin. The A7 and A10 models were semi-unit construction until about 1953 and pre-unit construction thereafter.

Off-road oil-in-frame model developed from the StarfireĪll BSA parallel twins were pushrod operated overhead valve machines. Oil-in-frame model developed from the Starfire Made with low-compression engine to increase reliability and fuel economy for police and civilian fleet use Higher performance model developed from the C15 Used super strong/lightweight Reynolds 531 tubing aimed at competition useįrom 1968 to 1970, called "441 Shooting Star" The first unit single with oil-bearing frame. The UK's Automobile Association used this model in sidecar combinationsī33 overhead valve engine in M series plunger frame for civilian sidecar workįurther information: BSA Unit construction singles Model Thousands of this model were supplied to the British Army During and after the Second World War only the side-valve models of this series were continued, typically for use by the armed forces or in sidecar combinations. In the 1930s the M series was a mixture of overhead valve and side-valve models. The order, which was worth a massive £98,750, was given to BSA for fear of Britain becoming involved in the Austro-Prussian war.Further information: Pre-unit construction Model It was finally demolished in 1977.īSA received its first government contract in 1866, for the conversion of 100,000 muzzle loaders into breech loaders, to be completed within twenty months. This plant was expanded, improved many times and even bombed by Hitler during the Blitz.

The company, controlled by a committee of all its members, purchased a 25-acre site at Small Heath, Birmingham, on which they built a factory for the sum of £17,050. It was the largest private manufacturer of arms in Europe. “BSA was formed in June 1861, with a capital of £24,500, specifically to manufacture guns.
