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Bentley simply constructed its first Blower in virtually a century

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A couple of 12 months in the past, Bentley introduced plans to construct continuation examples of the supercharged 4 1/2 Liter often called the Blower, the automotive that Sir Henry Ralph Stanley “Tim” Birkin made well-known within the late Nineteen Twenties and early ’30s by racing throughout Europe, together with within the 24 Hours of Le Mans.

The primary of the Blower continuation vehicles was revealed on Wednesday. It is a prototype to be retained by Bentley however 12 additional examples will probably be constructed for purchasers. It is also the primary Blower constructed by Bentley since 1930.

1929 Bentley Blower Continuation Series prototype

1929 Bentley Blower Continuation Collection prototype

Often known as the Blower Continuation Collection, the trendy vehicles are based mostly on the Blower constructed and raced by Birkin, of which simply 4 instance have been initially constructed. For the trendy vehicles, Bentley used the identical drawings and tooling jigs developed for the originals, and thankfully Bentley additionally had one of many vehicles readily available, a 1929 instance often called the Group Automotive.

This was no simple process. There are millions of particular person elements, all of them hand-crafted. First the group laser-scanned the elements of the unique Group Automotive, from which a digital mannequin could possibly be created. From there, specialists have been recruited to start out manufacturing new variations of the unique elements.

1929 Bentley Blower Continuation Series prototype

1929 Bentley Blower Continuation Collection prototype

Among the many specialist companies concerned have been Classic Automotive Radiator Firm, Classic Headlamp Restoration Worldwide, Jones Springs, Lomax Coachbuilders, and Israel Newton & Sons. That final firm is 200 years outdated. It usually makes boilers for steam locomotives and traction engines, and thus had the normal expertise required to form the Blower’s hand-formed, hot-riveted body.

The engine alone, a 4.5-liter supercharged inline-4, is a bit of artwork. And true to the unique, the Roots-type supercharger is mounted on the entrance of the engine—a design initially requested by Bentley founder W. O. Bentley. Apparently he did not need his unique engine design modified to include the supercharger. We’re positive he was pleased with the ability bump it introduced, because the supercharger lifted output from the inventory engine’s 130 horsepower to a a lot more healthy 240 hp.

1929 Bentley Blower Continuation Series prototype

1929 Bentley Blower Continuation Collection prototype

In creating the continuation engine, Bentley’s group made a reproduction Blower entrance chassis to carry the engine so it might then be mounted to a contemporary engine dyno for testing. Spectacular options of the engine, for its period, embrace aluminum pistons, an overhead camshaft, 4 valves per cylinder, and twin-spark ignition.

Bentley will now use the prototype for some real-world sturdiness testing, together with taking it on a check observe and making an attempt a prime pace run.

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