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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).
Crankshaft vibration testing and measuring the torsional rigidity of the Phantom and Silver Ghost models.

Identifier  WestWitteringFiles\P\2July1926-September1926\  Scan182
Date  1st September 1926 guessed
  
contd :- -7-
greatest amplitude to the vibration and are slightly lower
than we found before using the recording apparatus because of
the inertia of the plate carrying this apparatus which we
bolt to the crankshaft.

We next intend to test a Silver Ghost for vibrations
and determine the efficiency of the slipper wheels.

At present we are measuring the torsional rigidity
of the Phantom crankshaft and will do the same for the
Silver Ghost.


Hs{Lord Ernest Hives - Chair}/A.C.Lovesey.
  
  


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