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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).
Specifications for a rear axle for an 8-cylinder car destined for France.

Identifier  ExFiles\Box 109\4\  scan0066
Date  31th March 1939
  
666
To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}
c. By/CRL.{C. R. Lisson}
c. By/NS.{Norman Scott}

Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}2/MH.{M. Huckerby}31.3.39.

30.G.VII.

This car will be going to France with an 8-cylinder engine. The rear axle should be as follows:-

(1) .650 hypoid semi-floating.

(2) 45 mm. half shafts progressively tapering to small end leaving usual amount of parallel small diameter.

(3) Latest wheel bearing oil scheme.

(4) Wheel bearing 45 x 100 x 25.

(5) 11/41 ratio. Pinion and wheel of S/ZNCR.

(6) 59.5 track with 5" rims.

Will you please prepare such an axle and also make three sets of item (5).

Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}
  
  


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