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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).
Testing car 66-YC for steering sponginess and high-speed wobble, with details of modifications made.

Identifier  ExFiles\Box 68\1\  scan0243
Date  6th October 1928
  
[Handwritten, crossed out]: X8450

To CWB. from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}

Hs{Lord Ernest Hives - Chair}/Rml/LG6.10.28.

[Handwritten]: X8450
[Handwritten]: X457
66-YC CAR.

With reference to CWB5/GM3.10.28. We tried this car in the condition complained of. We did not consider that the steering was abnormally spongy. The whole steering is such a composition of ancient and modern features, that it is impossible to expect it to be as good as an F.2.B. series.

What we actually found was that the car had a tendency to wobble at high speeds. This being much more serious than sponginess, we put 2000 lbs. side steering tubes springs in. This we consider should prevent a wobble ever building up.

As a matter of fact we do not think they make the steering any more spongy, as we were able to reduce the amount of friction in the cross steering tube.

Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}
  
  


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