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).
Memo comparing suspension and gearbox designs of competitor vehicles.

Identifier  ExFiles\Box 173\1\  img336
Date  9th February 1934 guessed
  
Olley himself says there was a considerable amount of "policy" involved in putting something different on the Pontiac and Chevrolet and he expects them both to come to the wish-bone in due course.
My one criticism of the Cadillilac scheme is that, having avoided the extra wt of the bell crank in the suspension proper, they still have to incorporate it in the shock absorber.
I have been comparing the Packard 12, which is about as good as any conventional job I have tried, with knee action cars, Buick, Cadillac. The Buick is not as good as the Cadillac chiefly through different shock damper setting, but both are better than the Packard, in the back seat particularly.
Gearbox
Neracher discussed the general outlook with me fairly thoroughly. He is gearbox man of Chryslers, pioneer of the spool gear etc.
Conventional. They are completely sold on the sliding helical for a
  
  


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