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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).
Letter to Mr DeLooze regarding instruction book updates for a new axle and propeller shaft, lubrication issues, and the safety of a bolt valve.

Identifier  ExFiles\Box 26\2\  Scan001
Date  20th December 1911
  
x995

TBB20/L201211.

Mr DeLooze 20/12/11

With reference to the attached letter from Mr Moreland's driver dated December 12th, the revised copy of the instruction book in which will be included the new axle and propeller shaft, will be published in the new year.

The lubrication of the propeller shaft is affected by a plug in the torque tube, and the lubricator on the end of the trunnions supporting the ball end of the torque tube.

Our opinion of the bolt valve fitted with the Michelin detachable rims, is that this device is quite safe and is satisfactory, providing this bolt valve is correctly balanced.
  
  


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