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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).
Internal memorandum detailing a list of engineering issues and action items for the Phantom III model.

Identifier  ExFiles\Box 174\3\  img086
Date  20th April 1936
  
-5-

PHANTOM III.

(1) Swdl.{Len H. Swindell}) Will investigate silent tappets sticking when starting up from cold.
Wym.{G. Harold Whyman - Experimental Manager} ) Extra oil to tappets due to filter alterations causing top overoiling.

(2) Dodd. Why does 33-EX detonate worse than 32-EX. Check over.

(3) Std. How soon can we get a quiet thermometer for 33-EX.

(4) F.J.H. 33-EX steering bad and clanks over a bad road (column noise). Experiment with side steering tubes. 36-EX also bad. Have we lower steering ratio on all cars.
33-EX & 36-EX have latest s.s. tube springs. Report.

(5) Dodd. Ph.III relief valves noisy starting up?
Swdl.{Len H. Swindell} Cure required.

(6) Les.{Ivan A. Leslie} Front suspension on 32-EX & 33-EX clanks over bad roads at slow speeds (King's Drive). This should be investigated. Keep On.

(7) Dodd. Co-operate with Mx.{John H Maddocks - Chief Proving Officer} to determine how to overcome SpectreCodename for Phantom III overoiling.

(8) Swdl.{Len H. Swindell} Let me have power curves comparing unit in 33-EX with a standard Ph.III hydraulic tappet job.

(9) Std. Carry out water spilling tests on 33-EX, if necessary completing tests by forcing more water to go round the back of the heads.
  
  


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