This machine was typical of the primitive designs of the era. It had
a small Minerva 211cc engine
that hung from the downtube of a heavy-duty bicycle frame fitted with rigid
forks. As an assembler, the company bought in parts - the frame lugs came
Armstrong produced motorcycles from 1913 to 1915.
1913 The company produced a model of advanced design, powered by a four-stroke
2.75hp, 349cc Villiers engine.
It had a unit-construction, two-speed gearbox, overhead inlet valve, and
timing gears on the left of the engine. The rest of the machine appeared
to be fairly conventional.
1914 Use of the previous Villiers
engine was discontinued and replaced by the 269cc Villiers
commonly used by many other firms. It had petroil lubrication and a two-speed
gearbox. A single-speed version was also listed.
1915 Manufacture of the above two models continued that year, after which