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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).
Excessive wear on 40/50 spheres and requesting a faulty universal joint for inspection.

Identifier  ExFiles\Box 31\3\  Scan099
Date  3rd November 1928
  
To Br, from Hs.{Lord Ernest Hives - Chair}
c. to Hm.{Capt. W. Hallam - Head Repairs}

X1457

HS{Lord Ernest Hives - Chair}4/LG3.11.28.

48340

EXCESSIVE WEAR ON 40/50 SPHERES.

We are very anxious to help all we can to overcome this fault but you will realise how difficult it is for us to suggest any improvements unless we can first of all reproduce it.

As you are aware we have run this type of joint for at least 120,000 miles in France. The reason we mention the French testing is because on these tests the lubrication of these cars is carried out to a regular programme. The recommended instructions for lubrication are strictly adhered to.

The cars in France run 500 miles per day and there is no question about them travelling fast. We have never had a case on any of these cars of excessive wear on the universal joint in the sphere.

We should be very grateful if you could return to Derby one of the universal joints you complain of. We would prefer to see it in the condition it was taken off the car. If you can suggest any means by which you think we can reproduce the fault complained of by customers, we should be very pleased to consider it.


Hs.{Lord Ernest Hives - Chair}
  
  


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