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 part updates and modifications for various engine components.
| Identifier | ExFiles\Box 169\4\ img186 | |
| Date | 1st February 1933 | |
| -3- Ignition Governor & Drive IOP.E.100155 - RR.Sch: 2M. Complete to the above IOP. & Scheme. E.100106 Assembly of Driving Shaft. E.57915 Return Spring modified as follows - 3 Coils - .072 dia: Brunton Wire. Cross Drive Shaft IOP.E.100131 - RR.Scheme 107. Complete to the above IOP. & Scheme. E.100122 Gear Wheel. E.100124 Cross Shaft. Water Pump IOP.E.100157 - RR.Scheme 234. E.100512 Spindle - Nitralloy. E.79892/3 Thrust Screw and Pad. Oil Pump IOP.E.100601 LeC.3346. Improved Oil Pump position to LeC.3346. E.100992 Casing. E.100993.Cover. Petrol Pump IOP.E.100860 - LeC.3184. Complete to the above IOP. & Scheme - fitted with "Single Ply" Bladder Diaphragm and one A.C.Diaphragm. Diaphragm Washers to He.920-1-8-as shown on He.924. Union fitted in place of Banjo on delivery side. Oil Fittings IOP.E.100219 - RR.Scheme 102-146-216. Complete to the above IOP. & Schemes. Oil Filter IOP.E.57551 - LeC.2949-3291. E.101043 Cap, in conjunction with New L.H.Crankcase to LeC.3291. -continued- | ||