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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).
Adding a baffle and oil thrower to the oil seal to prevent gear seizure.

Identifier  ExFiles\Box 27a\1\  Scan452
Date  27th May 1936
  
Sr/VAIO/ET.27.5.36 - 2 -

In addition to an oil seal, could not some form of baffle and oil thrower be incorporated from a safety point of view? We realise that an oil thrower and baffle, external of the gear or differential casing, would probably be a problem, owing to the necessity of an oil return hole.

When examining the oil seal removed from this car, you will observe that the leather seal has worn down to the circular retaining spring.

As you are aware, if a faulty seal is not detected in time, the result may be a seizure of the gears, which has already happened to two or three chassis.

Front

Sr/VA. vf

Plates
1531

Roller
1731
  
  


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