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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).
Specification change document comparing previous and revised parts for valves, camshaft, and flywheel/clutch assemblies.

Identifier  ExFiles\Box 169\4\  img157
Date  27th January 1933
  
-2-

RHC{R. H. Coverley - Production Engineer}/TSC/IS.27.1.33.

Previous Specification.

Valves & Fittings LOP.
E.100204

6-E.100588 Exhaust Valve S/SLV.
6-E.100928 Bottom Washers.
6-E.100090 Valve Stem Packings.
3-E.100200 Push Rods.
removed.

Camshaft LOP.E.100112.

1-He.633 Camshaft 105 1/2°
removed.

Flywheel & Clutch LOP.
G.100500.

8-F.70912 Bolts.
8-X.4313 Nuts.
removed.

Revised Specification.

Valves & Fittings LOP.
E.100204 - LeC.3306.

The following New parts fitted incorporating:-
LeC.3306 - Strengthened Exhaust Valves.
6-E.100928 Exhaust Valves-S/SLV
6-E.100927 Bottom Washers.
6-E.100928 Valve Stem Packings.
3-existing E.100200 Push Rods- re-fitted.
3-New E.100885 Push Rods.-
Strengthened Type to LeC.3232
fitted to No's 3-5-11.

Camshaft LOP.E.100112.

New E.100863 Camshaft 107°
from Forms E.100861.

Flywheel & Clutch LOP.
G.100500.

F.100491 Flywheel modified to
enable Lock Washers to secure
Nuts for retaining Flywheel.
8-G.100119 Bolts.
8-E.27068 Nuts.
8-E.50326 Lock Washers.

RHC{R. H. Coverley - Production Engineer}/TSC.

[Illegible signature/stamp]
  
  


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