For 1925 Ariels are concentrating on their 248 c.c. and 499 c.c. models and no fewer than 14 examples of these two models are on exhibition on the stand. The smaller machine has a long stroke engine, the bore being 60 mm. and the stroke 88 mm. Side by side valves are used in the engine, which is a Blackburne. Lubrication is by hand operated pump and the carburetter is a B. and B. or Amac. Touring handle bars are fitted as standard, or T.T. at option. The forks are Druid type. A model of the overhead valve type is also shown and is claimed to be capable of speeds up to 55 m.p.h. One is shown as a touring model and the other equipped for sports work.
The larger model is equipped with an Ariel engine, the bore and stroke of which are 81.8 mm. and 95 mm. The machine embodies the Ariel three-speed gear box, which has been redesigned with a view to lightening it and making it neater. At the same time the strength and size of the internal parts has not been excessively reduced. The quick starter and clutch operating mechanism have been improved and the clutch is now controlled by hand. The sports model is stated to be capable of 65 m.p.h. on the road.
Ariel Works, Ltd., Bournbrook, Birmingham.
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