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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).
Memo discussing difficulties with the reverse gear on the Myth and L.H. Phantom gearboxes and proposing a solution.

Identifier  ExFiles\Box 136\2\  scan0142
Date  6th November 1939
  
To Rm{William Robotham - Chief Engineer}/Grys from Ev.{Ivan Evernden - coachwork} 1158 6.11.39.

Gearboxes. 12

Many thanks for your Rm{William Robotham - Chief Engineer}/Grys4/HH.3.11.39 re reverse gears on Myth & L.H. Phantom.

On the Myth, since little is drawn we may be able to do as you suggest, but on the L.H. Phantom the situation is decidedly difficult.
On the final box the centre of the reverse slider is only 1.550 from the centre of the reverse shaft. + the lever you draw about .500 long.

We could get over the difficulty by introducing an ancillary slider for the reverse fork as per the attached sketch if it would not be considered to elaborate & too heavy to operate.

[Signature]
  
  


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