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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).
Page 2 of a letter from George Eyston questioning the justification for an articulated rear axle and asking for suspension improvements.

Identifier  ExFiles\Box 170\3\  img099
Date  24th September 1936 guessed
  
-2-

As the offside wheel does only three revolutions more
than the nearside on a 10 miles circuit, is the fitment of an
articulated rear axle justified ?

Both back tyres were capable of doing 4 hours at 160
m.p.h. and the offside front appeared to be in excellent
condition after 2 hours with little wear.

(b) For 300 m.p.h. car, rear wheel drive, to operate on a
straightway run, the suspension is as per prints attached. Is
there anything you can suggest as an improvement on what is
shown ?

Total weight of car 4 tons, with 5,700 lbs.
approximately on rear axle.

Yours very sincerely,

(Sgd.) George Eyston.
  
  


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