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 modifications and part specifications for various engine components.
| Identifier | ExFiles\Box 6\6\ 06-page348 | |
| Date | 5th October 1937 | |
| - 12 - VALVES & FITTINGS (Contd) (c) Valve Springs to KB.3256 in S/CV. (d) Ex.27760 Inlet Valves in S.65 material. (e) Rocker, rocker bush and rocker to incorporate modified oiling on liner as developed on Ph.III. in accordance with E.C.D.9 -------------------- INLET PIPES LOP.EW.1214. Complete to the above LOP, already instructed to RHC.{R. H. Coverley - Production Engineer} LeC.5746 modification to hot box to clear throttle spring. Other parts to LOP.EW.1214. -------------------- CARBURETTER LOP.EW.1099. 25/30.H.P. Stromberg modified in accordance with LOP. EW.1099. E.61387 stronger choke spring. Drain pipes to B.C.D.80. -------------------- CARBURETTER AIR SILENCER LOP.E.61269. Complete to the above LOP. -------------------- CAMSHAFT AND BEARINGS LOP.EW.1421. Complete to the above LOP, already instructed to RHC.{R. H. Coverley - Production Engineer} (a) Camshaft to KB.607. (b) Camwheel Ex.28193. -------------------- continued. | ||