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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 from The Zenith Carburetter Co. Ltd. responding to complaints about their products.

Identifier  ExFiles\Box 131\3\  scan0073
Date  10th May 1939 guessed
  
2.

The idle control should only be, at most, one or two turns off its seat, and we think that if adjusted in that way then you will have no trouble.

2. The second complaint relates to the rusting of springs - one from under the leather piston and the other the by-pass valve spring.

These springs are made either of tinned music wire or of spring steel cadmium-plated, and we do not see, therefore, why they should rust.

We should be glad if you could let us have one or two samples.

3. Concerning the floats in the DC-42 carburetter, these are all checked on our test bench in order to see that the fork in the float arm does not foul the needle collar.

We are not prepared to say that you have not found such foul, but we have called our Works' attention once again to the matter and this point will be watched very very closely.

We thank you for calling our attention to the matter, and would ask you to accept our apologies if there has been a defect in this connection.


Yours faithfully,
THE ZENITH CARBURETTER CO.LTD.

(Sgd) A.E.Palmer.

AEP/KD.
  
  


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