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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).
Decision not to change tyre pressures on the 20 HP chassis to address high-speed wobbles.

Identifier  ExFiles\Box 39\2\  Scan174
Date  1st October 1925
  
x3538
BY/NW.{N. Walker - Patents}
c. Hs.{Lord Ernest Hives - Chair}

BY18/H.{Arthur M. Hanbury - Head Complaints} 1. 10. 25.

20 HP. TYRE PRESSURES.
-----------------------

Hs.{Lord Ernest Hives - Chair} informed me yesterday that he did not propose to put up the tyre pressures on the 20 HP. chassis to overcome high speedwobbles.

The 20/HP. is not so prone to the wobble as the 40/50, hence the suggestion to leave the tyre pressures as they stand.

BY.{R.W. Bailey - Chief Engineer} By
  
  


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