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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).
Comparing the ground clearances of the Spectre and a Ph.II car, noting potential issues with the Spectre's fish tail.

Identifier  ExFiles\Box 4\1\  01-page157
Date  19th November 1934
  
4494

To E/JMR.
c. to Nor.
c. to Hy.{Tom Haldenby - Plant Engineer}
c. to Ds.

HM{Capt. W. Hallam - Head Repairs}/Les.15/KN.{D. G. McKechnie - Sales}19.11.34.

SpectreCodename for Phantom III Ground Clearances.

Re memo. E/JMR.4/HW.7.11.34.

We have strapped a Ph.II car on to its axle buffers in order to get comparison figures for the bump position to those on Leo.418X.

It appears that although SpectreCodename for Phantom III has sufficient clearance in the middle, the front of the car and the fish tail have still about 2" less clearance than Ph.II.

The fish tail being 1" lower may cause trouble when backing the car against a grass verge.

We attach a print of Leo.418X with the Ph.II figures pencilled against the SpectreCodename for Phantom III figures for full bump.

HM{Capt. W. Hallam - Head Repairs}/Les.{Ivan A. Leslie}
  
  


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