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 list for engine and petrol pump components, with manufacturing and design requirements.
| Identifier | ExFiles\Box 92\6\ scan0242 | |
| Date | 28th February 1938 | |
| -7- Description of Part. Manufactured. Details Req'd.{John DeLooze - Company Secretary} Design Req'd.{John DeLooze - Company Secretary} Engine - Cont'd.{John DeLooze - Company Secretary} (9) Present production cylinder heads. A side head to have valve seats in S/SLV in accordance with E.89215/6. S.65 Inlet valves in accordance with our memo Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}6/MH.{M. Huckerby}4.11.37 (Item 2). Valve springs will be supplied by Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} "Klingerit" cylinder head gaskets to be supplied by Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} Yes. (10) Wraith type water coupling plates DW.200. Yes. (11) Deletion of external pressure filter and AC bye-pass substituted as per Wraith. Yes. Yes. (12) Distributors without hand control. Yes. (13) Oil level indicator ECD.76. Yes. (14) Rs.{Sir Henry Royce's Secretary}462 existing hot spot (increased power) O Yes. (15) Standard connecting rods with Hall's metal bushes. Yes. (16) Oil filler cap LeC.5451. Yes. Existing lightening features and parts not specified in the above as No.14 unit at present. Petrol Pump : Cheapened S.U. H.P. petrol pump. Yes. Rubber mounting and Bracket for pump in Frame. Yes. Yes. Banjo filter on Carb. Yes. Modified feed pipe and Flexible ECD.137. No. Carb as fitted. | ||