Rolls-Royce Archives
         « Prev  Box Series  Next »        

Trial of a servo-assisted clutch and its potential application for Spectre, Wraith and 20/25 models.


Identifier  ExFiles\Box 127\1\  scan0204
Date  7th May 1935
  
To HDY. {William Hardy} from E. {Mr Elliott - Chief Engineer}

c. Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} Da. {Bernard Day - Chassis Design} JNR. {Charles L. Jenner}

Ram
+435

E.1/HP.7.5.35.

Clutch Operation.

We tried a Packard 12 last week and this car had a servo assisted clutch operation which worked very nicely. C's car is fitted up in this way with a scheme produced by the Experimental and he is very pleased with it, especially for driving in London traffic. Hs. {Lord Ernest Hives - Chair} undertook to obtain particulars of the Packard scheme, but in the meantime we should be considering a permanent application of this principle for Spectre(Codename for Phantom III) and Wraith. The Wraith might also be applicable to the 20/25.

E. {Mr Elliott - Chief Engineer}

GRY {Shadwell Grylls} -
What about duplicating the scheme on C's car with a clutch having a good mechanical efficiency. Rm {William Robotham - Chief Engineer}
  
  
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).


Copyright Sustain 2026, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙