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 engine component specifications and status updates, including part numbers and assembly instructions.
| Identifier | ExFiles\Box 97\1\ scan0261 | |
| Date | 30th November 1938 | |
| -2- BM/Cr.{Mr Cra???ster / Mr Chichester}17/ML.30.11.38. Sec. D.{John DeLooze - Company Secretary} B300 Petrol Pump L.O.P. To be held up. B310 Pet. Reserve Tap. To be held up. Sec. E.{Mr Elliott - Chief Engineer} 5000 Crankcase & Brgs. EW1831 As up-to-date Wraith including features peculiar to Bentley such as Tachometer drive boss etc. to original L.O.P.(EB.364). Shimless type of standard R/R bearings. 5010 Crankshaft EB3056 Complete to LUP. (V.C.M. crank) 5020 Spring drive EB4279 Incorporates heat treated centre spring plate. 5030 Connecting rod EEF754 Normal machined "all over" con. rods. LOP EB4192 5040 Piston To be held up. 5050 Cylinder EW1579 To include Cyl. head (mod. cores) EW1922. Cyl. block (mod. bores) EW1923. Hold up cyl. head gasket. 5060 Valves & fittings EB4310 .4 carbon push rods (forgings from Belgrave). Vandervell rocker bushes. C/SLV Motor Component inlet valves. The following should not be used:- Top spring washer EW.1925, Seal-in washer EW.1926. Use std. Wraith parts. 5070 Inlet Pipes EB4293 To L.O.P. 5080 Carburetter Carburetter specification see BM/CTS.{C. Trot Salt - Carburation} later. 5082 Carb. Air silencer To be held up. | ||