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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).
Internal memorandum discussing the adoption of a valve for Wraith front shock dampers to prevent low speed wobbling.

Identifier  ExFiles\Box 9\8\  08-page50
Date  9th August 1938
  
To By/Ald.{F. Allwood - Experimental Design} from Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale}
c. By.{R.W. Bailey - Chief Engineer}
c. Da.{Bernard Day - Chassis Design}

Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale}6/MH.{M. Huckerby}9.8.38.

WRAITH FRONT SHOCK DAMPERS.

The B.III steering is very free from joggles and this is attributed to the type of valve used in the dampers. Wraith can only be kept free from joggles by the introduction of sponge in the side steering tube and this means that all Wraiths are on the verge of low speed wobbling.

Will you see if the B.III valve can be adopted to Wraith front dampers, and if so instruct two sets of the necessary parts.

Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale}
  
  


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