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 sheet detailing engine components and associated part numbers.
| Identifier | ExFiles\Box 124\1\ scan0210 | |
| Date | 26th June 1939 | |
| SPECIFICATION. Specification No. SD.80/5 Sheet No. 3 Issue No. 1 Sec.No. | Title. | Description. | Design No. | Dtls. iss. LOP. No. | Remarks. --- | --- | --- | --- | --- | --- 5070 | Inlet Pipes | 1.750 Dia. Bore Pipes to ECD.1298 with adaptor to suit 1.437 Dia Throttle Bore Stromberg Carburetter. | ECD.1298 | By/CS.4/EH 14.4.39. | 5080 | Carburetter. | Stromberg Type A.A.25 with 6 Volt Electrically operated choke. | | | Carburetter to be supplied by Expl.Dept. to Rm{William Robotham - Chief Engineer}/GR{George Ratcliffe}'s latest settings. 5082 | Carburetter Air Silencer | A.C.supplied by Rm{William Robotham - Chief Engineer}/WYM.{G. Harold Whyman - Experimental Manager} | | | 5090 | Camshaft and Bearings. | S/ZN Camshaft Detail EB.4512 | P.D.162. | EB.4314. | 5160 | Water Pump and Fan. | Single Belt Driven Water Pump with 5 Bladed Fan on Spindle Extension. Dural Blades. Cast Iron Pulley. | | EB.4208 | EB.4207 replaced by EB.4999. EB.4206 replaced by EB.5000. 5170 | Oil Pump and Drive. | Modified Tooth Form. Top Drive Gear Detail EB.4483 | | LOP.EB.3908 By/CS5/EH. 1.11.38 | 5180. | Wheelcase. | | | EB.4117 | 5190 | Water Connections. | To suit R.R.Radiator and C.I.Engine Similar to 30 G.Vll. Mock up. | | | 6200 | Oil Fittings and Petrol Fittings. | Petrol Feed and Drain Pipes - To - Pipe from H.Pressure to Feed Distributor Gear to be decided by Test. Mock up. | ECD.1432/3 | | General Oil Filter. 6201 | Oil Filler. | In Rocker Cover - To - Breather fitted to existing Filler Face on Crankcase. | P.D.430 P.D.438 | By/CS.2/EH. 20.6.39. By/CS.1/EH. 13.6.39. | By/CS.3&4/EH.26.6.39. | ||