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).
Timing gear design and coachwork rattles, suggesting comparative testing against American methods.

Identifier  ExFiles\Box 173\2\  img066
Date  13th February 1934 guessed
  
V
4. Nobody seems to have appreciable production difficulties with silent Chain
Considering the costliness of our timing gears, the balanced beam etc that we have to fit to make good their deficiencies, ought we not to run an American engine to destruction to prove to our own satisfaction that we are right in sticking to timing gears. Is not the virtue of the Chain its spool gear characteristics and its freedom from ring?

Coachwork
I am repeatedly hearing rattles taken out of the Bentley body. I think we ought to put a medium priced American car through a 10,000 miles test to see if the all steel body is really as free from rattles as we imagine, because whenever we treat a Rolls Royce car as the chassis is built - to be treated, rattles become a nightmare.
I have been told that before Lincoln puts a custom built body in production they produce as many as 30 or 40 experimental models & submit them to searching tests. I will
  
  


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