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 listing engine components and related part numbers or modifications.
| Identifier | ExFiles\Box 6\6\ 06-page284 | |
| Date | 21th August 1937 | |
| - 21 - BY.1/VS.{J. Vickers}21.8.37. Pistons and Rings - to LOP.E.60761 - Standard 80 H.P. Prod. Cylinder Block. Solid cast block to LeG.3778. Cylinder Head. Incorporating the modified coring to LeG.5684. Pedestal bossing may be moved to suit altered rocker ratio. Valves and Fittings. (a) Bottom tappets in cast iron with "chilled" face to Ex.28101.A. (b) Push Rods to suit above tappets Ex.28102. (c) Valve springs to RS.{Sir Henry Royce's Secretary}640 in S/CV. (d) Top washers to Rm.{William Robotham - Chief Engineer}400. (e) Ex.27760. inlet valves in S.65 material. (f) Rocker, rocker bush and rocker to incorporate modified oiling on liner as developed on Phantom III in accordance with Rm.{William Robotham - Chief Engineer}380/1 and 2. Other parts to LOP.EW.917. Inlet Pipes (LOP.EW.1214). Incorporate LeG.5746 modification to hot box to clear throttle spring. Carburetter. E3/30 Stromberg modified in accordance with LOP.EW.1099. Carburetter Air Silencer - held up. Camshaft and Bearings. (a) Camshaft to ES.607. (b) EW.944. Tappet Guides in RE/PC. Otherwise to LOP.EW.925. continued. | ||