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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 design details for modified yoke pieces to test a new caster angle on the Wraith steering.

Identifier  ExFiles\Box 9\7\  07-page079
Date  13th September 1937
  
To By/NS.{Norman Scott} from Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}

650.

Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}6/AP.13.9.37

WRAITH STEERING

We wish to be able to try a caster angle of ½° on the front pivots of Wraith in conjunction with lower tyre pressures.

Will you please detail yoke pieces to give the above angle. We believe that for experimental purposes the existing forging will modify.

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


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