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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).
Request for an opinion on the performance ('figure of merit') of hydraulic shock absorbers regarding freedom from knocks.

Identifier  ExFiles\Box 151\2\  scan0351
Date  14th October 1937
  
Rm {William Robotham - Chief Engineer} /IMW. {Ivan M. Waller - Head of Chateauroux} from Rm. {William Robotham - Chief Engineer}

1292

Rm {William Robotham - Chief Engineer} 5/R.14.10.37.

R.R. Hydraulic Shock Absorbers.

We should like to know what, in your opinion, is the figure of merit which we can give to the hydraulic shock absorber at the present moment with regard to freedom from knocks. In making your observations we should like you to take into consideration the information available from the Service Dept. as well as from our 15,000 miles test in France.

Rm. {William Robotham - Chief Engineer}
  
  


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