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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).
Gearbox height dropping after mileage and the proposal of a support cross-member.

Identifier  ExFiles\Box 5a\2\  02-page261
Date  28th March 1930
  
x3840

To Da.{Bernard Day - Chassis Design} From Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson}

Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson}2/MJ.28.3.30.

4900X

We asked G.W.H. to carefully check the height of the gear-box relative to the frame on his car, and see whether it sunk at all, due to the engine rubbers giving way.

This morning we have received a note as follows:-
“We have checked the height of the gear box with level of frame and after 3,000 miles it has dropped .0625”. Further measurements will be taken at finish of the mileage”.

We think that this indicates that a support on the same lines as Phantom ll between the rear of the gear-box and the cross-member would be a considerable asset.

At present we do not like to over-hang of the gear-box.

Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson}
  
  


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