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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).
List of modifications and part specifications for various engine and chassis components.

Identifier  ExFiles\Box 18\3\  Scan367
Date  10th October 1932
  
-2-
RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}9/AP.10.10.32

Spring Drive LOP. E.{Mr Elliott - Chief Engineer} 79915 - LeC. 3104. - Con:-

E.77394 - Pressure Plate. - Mod. to EX.8683
E.75618 - Friction Ring - Mod. to EX. 8684.
Damping Friction Load - 16 lbs at 17 3/4" Rad.
Driving Spring Load - 22 lbs at 17" Rad.

Flywheel & Clutch

Stronger Clutch Springs fitted as details:-
Hs.{Lord Ernest Hives - Chair} 652 - Clutch Springs.
Hs.{Lord Ernest Hives - Chair} 666 - Clutch Fingers.
Hs.{Lord Ernest Hives - Chair} 687 - Clutch Operating Lever.
G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 78312 - Flywheel Cover & G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 75554 Ferrule modified to give clearance for Clutch Fingers.

Carburetter LOP. E.{Mr Elliott - Chief Engineer} 83075. LeC. 2972 - 3026-3061-3029.

Semi Expanding Carburetter - ex. 19-EX -Fitted

Inlet Pipes. LeC. 3981-2-3026

To suit Expanding Carburetter - ex. 19-EX.
E.{Mr Elliott - Chief Engineer} 82946 - Inlet Pipe.
E.{Mr Elliott - Chief Engineer} 83046 - Jacketted Induction Bend.

Exhaust Fittings.

Exhaust System as shown on Arrgt. - EX. 8808.
Rear Silencer to Hs.{Lord Ernest Hives - Chair} 646/7.
Expansion Box 9. SWG - S/M.{Mr Moon / Mr Moore}
Straight Downtake Pipe -13. SWG - S/M.{Mr Moon / Mr Moore}
Downtake & Intermediate Pipes - Lagged.

Oil Pump LOP. E.{Mr Elliott - Chief Engineer} 82081

New Standard Pump fitted replacing Noisy Pump.

Con:p
  
  


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