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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).
Requesting the machining of yoke forgings to test a reduced castor angle on the Wraith steering.

Identifier  ExFiles\Box 9\7\  07-page081
Date  20th September 1937
  
To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}2/AP.20.9.37

WRAITH STEERING

Owing to the lower tyre pressures now being used on Wraith we wish to be able to try reduced castor angle.

Will you please machine one pair of yoke forgings to the angles shown on Ex.S.88 and Ex.S.82A. These are urgently required as, if satisfactory, we may wish to fit them to the next 10,000 miles car. We will allocate a chassis to which they should be fitted when they are ready.

Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}
  
  


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