bentley 4,5 litre blower

xlntpaolo
425960

Project info

"The fastest lorry in the world".
Ettore Bugatti

"Although W. O. Bentley despised forced induction, his "Bentley Boys", and especially Henry "Tim" Birkin, wanted to supercharge the engine for more power. When the company ran out of money in 1925, millionaire Bentley Boy, Woolf Barnato bought the company, and in 1929 the first supercharged 'Blower' Bentley was built at Sir Henry Birkin's engineering works in Welwyn Garden City.
Barnato quickly authorised the building of 50 production Blowers in order to meet the qualification requirements for entering such models at Le Mans the following year. The large Roots type supercharger was placed outside the engine cover, giving the cars a unique appearance. With 175 hp (130 kW) on tap, expectations for racing success were high, but durability was lacking and the Blowers never won a major race. In the end, it was W. O. Bentley's larger-displacement 6½ Litre car that would secure victories for the marque in 1929 and 1930.
The supercharged engine had a huge thirst: the non-supercharged version, at 100 mph (161 km/h), would have a fuel consumption of about 16 l/100 km (15 mpg) while the supercharged version would use about 102 l/100 km (2.3 mpg).
Birkin's famous red single seater Blower, built and maintained at his Welwyn Garden City works, took the Brooklands Outer Circuit lap record to 137.96 mph (222.03 km/h) in 1932. The record stood for another two years before being beaten by John Cobb's 24 litre Napier Railton."
Wikipedia