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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 decision to use high melting-point grease instead of oil for hub lubrication after a conversation with the Hoffmann people.

Identifier  ExFiles\Box 20\7\  Scan053
Date  17th March 1927
  
x575

BY.{R.W. Bailey - Chief Engineer} Mr... [crossed out]
Mr. H... [crossed out]
Mr. P... [crossed out]
c. Hs.{Lord Ernest Hives - Chair}

BY6/H.{Arthur M. Hanbury - Head Complaints} 17.3.27.
------------

As a result of our conversation with the Hoffmann people, it is definitely decided that we must not use oil in the hubs. This being the case, there is no object in adding to the Kit the special screwed piece carrying the Enots lubricator on its outer face, to enable people to use the Enots Lubricator Gun on the hub.

If the hubs are packed with the higher melting-point grease being specified, they should run any length of time between the necessary overhauls, without further addition.

BY.{R.W. Bailey - Chief Engineer} [signature]
  
  


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