Three-quarters Front view of a Green, 1930, Supercharged Bentley on display at the 2022 Silverstone Classic
Sir Henry "Tim" Birkin, described as "the greatest British driver of his day" by W. O. Bentley, was one of the Bentley Boys. He refused to adhere strictly to Bentley's assertion that increasing displacement is always preferable to forced induction. Birkin, aided by a former Bentley mechanic, decided to produce a series of five supercharged models for the competition at the 24 Hours of Le Mans; Mercedes-Benz had been using superchargers for years. Thus the 4½ litre Blower Bentley was born. The first supercharged Bentley had been a 3-litre FR5189 which had been supercharged at the Cricklewood factory in the winter of 1926 Bentley Blower was officially presented in 1929 at the British International Motor Show at Olympia, London. The 55 copies were built to comply with 24 Hours of Le Mans regulations. Birkin arranged for the construction of the supercharged cars having received approval from Bentley chairman and majority shareholder Woolf Barnato and financing from wealthy horse racing enthusiast Dorothy Paget. Development and construction of the supercharged Bentleys was done in a workshop in Welwyn Garden City by Amherst Villiers, who also provided the superchargers. Bentley was hostile to forced induction and believed that "to supercharge a Bentley engine was to pervert its design and corrupt its performance. However, having lost control of the company he founded to Barnato, he could not halt Birkin's project.
Size: 4619px × 3744px
Location: Silverstone Circuit, Towcester, Northamptonshire, NN12 8TN
Photo credit: © John Gaffen / Alamy / Afripics
License: Licensed
Model Released: No
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