Rolls-Royce Archives
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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).
Report page detailing a fix for rear main bearing leaks and observations on a Lincoln Zephyr engine.

Identifier  ExFiles\Box 173\4\  img097
Date  6th December 1935
  
-3-

HS{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}9/KW.6.12.35.

(6)
They have entirely cured rear main bearing leaks by a complete groove in the bearing and 3 drain holes in the lower half followed by a two row flinger -

PIPE DIPPING INTO OIL IN BOTTOM HALF.

(7)
They have had to change to a four bearing from seven because of the master period which broke timing chassis in large numbers.

During the lunch interval, one of the Graham salesmen and I went into the Lincoln Plant and drove the new small 12-cylinder Zephyr round their track. The engine was incredibly rough but the car handled surprisingly well.
  
  


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