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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).
Potential causes of clutch slip on a Bentley chassis, questioning if it's caused by the lubrication system.

Identifier  ExFiles\Box 85\2\  scan0131
Date  15th November 1934
  
Hs.{Lord Ernest Hives - Chair}
Rm{William Robotham - Chief Engineer}

Hd{Mr Hayward/Mr Huddy}/SB{Mr Bull/Mr Bannister}14/HR.15.11.34.

re CHUTCH SLIP. BENTLEY CHASSIS.
---------------------------------

We attach hereto a memo we have received from Sales, reference H16/NM.14.11.34.

The case referred to is reported by MK.{R. E. B. Meade-King}, as being in his opinion caused by excessive use of the centralised lubrication system. We cannot see, however, that this will be likely to cause clutch slip as the oil from the centralised system does not reach the friction surfaces.

Our experience generally, is that Bentley clutches are not prone to suffer from clutch slip but we have had one or two isolated cases of slip which in one case we have definitely been able to attribute to bad driving and which has resulted in the clutch being burnt out twice.

We shall be glad to have your remarks on this subject.

Hd{Mr Hayward/Mr Huddy}/SB{Mr Bull/Mr Bannister}
BB
  
  


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