13860355

Wall Art and Photo Gifts from Mary Evans Picture Library

13860355

Mary Evans Picture Library makes available wonderful images created for people to enjoy over the centuries

Media ID 32304204

© Aviation Ancestry

FEATURES IN THESE COLLECTIONS

> Europe > United Kingdom > England > Essex > Chelmsford

> Mary Evans Prints Online > New Images July 2023

VISUAL DESCRIPTION
12, 000, 000 revolutions on HOFFMANN BEARINGS - This vintage advertisement showcases the durability and reliability of Hoffmann Bearings after a rigorous test. The featured engine is a standard Cirrus Hermes Mark II that has undergone a 100-hour Air Ministry Type Test at full throttle, demonstrating its performance by running the whole time at 2, 000 rpm and developing 110 b. h. p. (1175 at 2, 200 r. p. m. ). Following the test where the engine was stripped down for inspection, it was found that Hoffmann Bearings remained in first-class condition despite the intense operation. The ad highlights confidence from Cirrus Aero Engines Ltd. , suggesting this makes their engines among few to endure such an extensive trial successfully. Proudly presented by THE HOFFMANN MFG. CO. LTD. , CHELMSFORD, ESSEX.

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