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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).
Outlining the upcoming testing of a modified crankshaft, tubular connecting rods, and a new slipper wheel in a 10-EX engine, along with promising results from tests on a modified exhaust manifold.

Identifier  ExFiles\Box 69\4\  scan0206
Date  1st November 1927
  
To R.{Sir Henry Royce} from Hs.{Lord Ernest Hives - Chair}
c. to BJ. Wor.{Arthur Wormald - General Works Manager}
c. to E.{Mr Elliott - Chief Engineer} DA.{Bernard Day - Chassis Design}
c. to EY.

C8770
Hs{Lord Ernest Hives - Chair}6/LCL.11.27.

PHANTOM.
X8230
X8010

Next week we shall be testing the modified crankshaft, tubular conn. rods and new slipper wheel in 10-EX engine. For the first run we shall have to use the present pedestal pistons.

We are running cars with the modified exhaust manifold and heat to hot spot. The first tests are very promising.

Hs.{Lord Ernest Hives - Chair}
  
  


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