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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).
The standardisation of a 3/4° castor angle for B.V. steering systems and the preparation of required parts.

Identifier  ExFiles\Box 111\4\  scan0151
Date  23th May 1939
  
800A 400C 400E 450

H.P.S. from Rm{William Robotham - Chief Engineer}/F.J.H.

Rm{William Robotham - Chief Engineer}/F.J.H.3/MH.{M. Huckerby}23.5.39.

B.V. STEERING.

We have recently standardised a castor angle of 3/4° for the 300 B.V. chassis . We wish to fit this to our experimental chassis also.

Will you please prepare the necessary yokes FB.4305/6 for chassis 10.B.V, 11.B.V, 12.B.V, 14.B.V, and 4.B.50. Levers FB.4873/4 should be fitted at the same time.

Existing yokes with small diameter pivot pins will modify to the new angle.

Rm{William Robotham - Chief Engineer}/F.J.H.
  
  


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