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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).
Testing and performance of 'T' and 'F' type Tenoid brake linings.

Identifier  ExFiles\Box 26\4\  Scan340
Date  19th August 1927
  
To Hm{Capt. W. Hallam - Head Repairs}/WW. from Hs{Lord Ernest Hives - Chair}/Rn{Mr Robinson};

43409.

Hs{Lord Ernest Hives - Chair}/Rn{Mr Robinson}5/LG19.8.27.

TENOID BRAKE LINING.

With reference to Hm{Capt. W. Hallam - Head Repairs}/WW6/W19.8.27. We have never had any bulk quantity of Tenoid, nor have we tested this lining in France.

We have however run several sets on our experimental cars. We have tried two types - 'T' and 'F'.

'T' is unsatisfactory because it squeaks.

'F' is rather soft. (We have not yet completed our endurance test on this type. At present we should hesitate to fit it on a car with rear brakes only).

We shall not be able to pass a considered opinion on the Tenoid lining until it has completed a 10,000 miles test in France.

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


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