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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).
Response to a customer regarding the incorrect assembly of a front axle lubricator and issues with ignition plugs.

Identifier  ExFiles\Box 5a\2\  02-page247
Date  26th March 1930
  
Y5840.

C. W. Hancock,
Hotel de France,
Chateauroux,
Indre,
FRANCE.

To CWH. From Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson}

Hs{Lord Ernest Hives - Chair}/Rs.{Sir Henry Royce's Secretary}1/WJ. 26.3.30.

We thank you for your letter of the 24th inst.

We cannot quite understand how you have got your lubricator on the front axle fitted up with the plate on the nipple side of the gauze. We have never had any lubricators fitted up in this manner on production. We suggest that somebody took down the lubricator on your front axle and erected it in the wrong way. We enclose drawing C.53803 and if you compare it with the drawing of the perforated plate that we have already sent you, you will see that it fits in this portion of the lubricator. We shall be glad to know if your lubricator is incorrectly made or merely incorrectly assembled.

We think that you are rather ready to suggest that we do not study the troubles you run into, when you assume that we have not taken the trouble to see how this lubricator is erected.

Re. Ignition Plugs. We agree it is difficult to reconcile preignition with tests you have made but if you have been running with .006 tappet clearance and the valve has never been running off the seat we have absolutely nothing to account for the deplorable state of the valve (which is the same steel that was run on the Schneider Cup engine without a sign of trouble), unless it is preignition.
  
  


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