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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).
Solution for grease leaking from front hubs onto the brakes.

Identifier  ExFiles\Box 137\5\  scan0225
Date  8th May 1939
  
1159

To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}

Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}1/MH.{M. Huckerby}8.5.39.

FRONT HUBS - ALL CARS.

You may know that we have had some trouble with the grease leaking out of the front hubs on to the brakes. The Works have got over this in production by the following procedure, and we should be glad if you would copy it on all experimental cars, making sure that J.B.50, Silver Wraith and 14.B.V. are corrected before they leave for the Continent.

The bearings themselves and the space for a small distance outside them are filled with "Belmoline HMP" grease; the space between the bearings is generously filled with ball bearing grease, which in our case we should like to be "Shell RB{R. Bowen}".

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


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