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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).
Corroded and leaking aluminium tubes in Phantom cylinder heads, suggesting trials of different materials and anodical treatment.

Identifier  ExFiles\Box 15\1\  Scan185
Date  27th December 1929
  
X7250.

To BY.{R.W. Bailey - Chief Engineer} From Hs.{Lord Ernest Hives - Chair}
c. to WOT.

Hs.{Lord Ernest Hives - Chair}S/MJ.27.12.29.

ALUMINIUM TUBES IN PHANTOM
CYLINDER HEAD.
X7050
X7250.

We have received some further aluminium tubes
from Paris which have corroded and leaked.

We think it is essential that we should be trying out different materials for these tubes on all our Expl. cars.

We suggest that an immediate improvement would
be to anodically treat the tubes. We have one engine
running with such tubes and at the first opportunity will
examine them and let you know the result.

Hs.{Lord Ernest Hives - Chair}
  
  


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