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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).
Design change for the Phantom III servo system.

Identifier  ExFiles\Box 95\4\  scan0115
Date  16th October 1935
  
X341
To BY.{R.W. Bailey - Chief Engineer}
Copy to E.{Mr Elliott - Chief Engineer} Hs.{Lord Ernest Hives - Chair} Ba.

HDY.{William Hardy}1/MN.16.10.35.

F.J.H

PHANTOM III.

Servo.

We send herewith N.Sch.4669 which shows the flat strip connecting links between the servo and the pedal countershaft replaced by forks and a screwed rod.

The pin of the fork on the servo lever is rivetted over and thus gives clearance for the front brake operating rod.

If there is any objection to the whole rod remaining attached to the servo it can be disconnected from the fork, the setting being retained by the use of two nuts locked together.

HDY.{William Hardy}

This drawing also shows a castellated nut in place of the split pinned collar which is at present used to secure the balance lever.

Att: N.Sch.4669.
  
  


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