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 design alterations affecting various engine and chassis components.
| Identifier | ExFiles\Box 91\1\ scan0551 | |
| Date | 23th May 1938 | |
| - 3 - DESIGN NUMBER. PARTS AFFECTED. REMARKS. E.CD.750 Engine Controls and Distributor. UNDERSHEETS. This will revise designs E.CD.644 and E.CD.620 by deleting the hand ignition control. ALSO UNDERSHEETS ALTERED E.CD.705 E.CD.707. Exhaust Fittings. Wraith lll type rubber supports to replace E.CD.592. E.CD.776. LIFT. E.CD.777. CAM Form Camshaft Valve lift curves and cam forms for E.CD.635. E.CD.37 Connecting rods. Thin shell aluminium big end bearings. This requires confirmation from Experimental Dept. E.CD.137 Petrol Filter and Pipes. Filter fitted at float-chamber inlet instead of in Vee. A detail of the crankcase top half modified to include all the above altered features has been issued, and the pattern alterations are well in hand, the detail number is E.89320. Included in the crankcase alteration also is the revision necessary for the starter motor scheme D.CD.401 with the gear centres altered as called for on the clutch design G.CD.653. Da{Bernard Day - Chassis Design}/Me.S. | ||