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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).
Issues with float pulsation, pump valve materials, and ignition plugs.

Identifier  ExFiles\Box 83\4\  scan0180
Date  27th April 1936
  
( 2 )

We find that the floats are agitated by the pulsations and a gradual flooding takes place, which upsets the slow running. There are no pumps free from this fault, the best,pulsates approximately once every 15 seconds.

We do not understand why our pump on B.56.BN{W.O. Bentley / Mr Barrington} should have brass discs for the valves. These I understand have been replaced some time ago by the bakelite discs. We have obtained a new pump from Paris as the contact points on ours were almost burnt away.

We appreciate the remarks re ignition plugs and will verify your results when we receive the new plugs.

We are hoping to get the car running on Tuesday the 28th inst.

------------

GWHancock
G.W.H.
  
  


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