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Methods for reducing engine vibrations to allow for a high-speed 6-cylinder engine in a continental tourer.


Identifier  ExFiles\Box 179\1\  img028
Date  1st October 1931
  
ORIGINAL.

FROM R. {Sir Henry Royce}
C. to [REDACTED] HS. {Lord Ernest Hives - Chair}

ENGINE VIBRATIONS.

It seems pretty universally agreed that with the diamond mounting fitted with torque reaction dampers and soft rubber, and the crankshaft fitted with semi-balance weights, and the thin disc of the flywheel, we can use the 6 cyl. engine of high speed and good output without uncomfortable vibrations being communicated to the bodywork, and this permits us to obtain a considerable step forward in B.P. which will allow the big car in the continental tourer form being a 90 MPH. car, and the 25HP. capable of going well over 70 MPH. with full equipment of splashers etc, and a comfortable body.

R. {Sir Henry Royce}
  
  
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).


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