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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).
Material changes for Peregrine brakes, switching from Duralumin and Aluminium to mild steel.

Identifier  ExFiles\Box 1\10\  B001_X106 TO X 110-page028
Date  14th December 1932
  
Y106

To BY.{R.W. Bailey - Chief Engineer} From Hs.{Lord Ernest Hives - Chair}
c. to Wor.{Arthur Wormald - General Works Manager}
c. to E.{Mr Elliott - Chief Engineer}
c. to RHC.{R. H. Coverley - Production Engineer}
c. to Sft.{Mr Swift}

Hs.{Lord Ernest Hives - Chair}3/MJ.14.12.32.

Re. PEREGRINE BRAKES.

X4612.

We prefer to use the mild steel brake carriers in place of the Duralumin. We find that Duralumin brake carrier plates were tried out on the original P.2 and had to be discarded for mild steel, because of them being unsatisfactory.

We should therefore like all future cars to have mild steel brake carriers.

The other alteration it is proposed to adopt on Peregrine brakes is mild steel forged brake shoes in place of the Aluminium.

Hs.{Lord Ernest Hives - Chair}
  
  


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