Wherwell was a British cyclecar manufactured by Thompson & Son, based in a small village garage in Wherwell, near Andover, Hampshire. The car was a simple cyclecar powered by a 5/7hp air-cooled flat-twin Coventry-Victor engine, paired with a four-speed friction transmission and final drive by a single chain. Unlike many air-cooled vehicles of the period, the Wherwell dispensed with a dummy radiator, allowing the engine to benefit fully from oncoming…