The 1948 car gave them encouraging results and so new car, this time called an HW-Alta, was constructed and raced in 1949; this car was sufficiently successful to convince the partners to embark upon building a full team of cars for the 1950 Formula Two season of British and continental events: these cars were known as HWMs.
O coche de 1948 deulles resultados alentadores polo que construíron un novo auto, esta vez chamouse HW-Alta, foi construído e competiu en 1949; logrou o éxito suficiente para convencer os socios para emprender a fundación dun equipo para a tempada británica de Fórmula Dúas de 1950, estes coches foron coñecidos como HWM.