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).
Standardisation specification for the Stromberg carburettor EEC42, detailing new parts and alterations.
| Identifier | ExFiles\Box 93\2\ scan0189 | |
| Date | 20th April 1937 guessed | |
| Rm{William Robotham - Chief Engineer}/py. 308? P3 Carb File Standardisation of Stromberg carburettor EEC42 to L.E.C. 5470. Object:- Improvement in carburation & consumption; more consistent fuel level with S.U. Pumps. Two schemes are shown on LEC 5470, one which can be adapted to existing carburettors & fitted if necessary to customers cars; the other is for future production which will necessitate alterations to the die cast body. List of new parts:- 1 off E88833 Float Assembly 1 " E88834 Bush 1 " E88835 Lever 2 " E88836 Screws * (not required with altered casting) 2 " E88307 Alum. washers. * one only 1 " E88837 Spindle * 1 " E88838 Carrier plate * 1 " E88839 " " * 1 " E88840 Carb. body 1 " E88841 Lever Assembly Jet alterations:- 2 off .056 main jet replaces .058. 1 off .050 bypass jet " .060. | ||