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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Summary of test results comparing a Hispano sports car to a modified Continental Phantom, focusing on braking and overall performance.

Identifier  ExFiles\Box 22\1\  Scan317
Date  19th July 1930 guessed
  
-3-

Squeaked every application. (Seagrave stated that he had tried three with similar results.) The amount of front braking had obviously been increased, but the results were not very good owing to grabbing tendency of the servo and the fact that, having no axle control, the steering was affected by the brakes.

Summarising the results. This Hispano was what Seagrave considered to be the finest existing sports car. He has tried almost every other make. We are sure that by making the slight modifications necessary to the brake distribution, suspension, steering etc., of the S.S. which were carried out on the Continental Phantom we should have a sports car inferior to the Hispano, only in acceleration; and superior in a number of ways, more particularly Silence, Tractability, Braking, Steering and Suspension. It is clear that the Hispano derives the major part of its better performance from its increased cylinder capacity.

HS{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}
  
  


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