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).
Design and modification instructions for various engine components, including gears, pumps, and connections.
| Identifier | ExFiles\Box 30\1\ Scan180 | |
| Date | 30th May 1935 | |
| (3) Idler Gear. This requires modification to suit the larger slipper flywheel. A scheme will be issued in one week. Ignition Governor and Drive. To be as at present instructed. Cross Drive Shaft. To be as at present instructed. Water Pump. A small water pump with modified inlet bend to run at 1¼ times engine speed and to suit 1⅜" diameter bottom water pipe. Designs will be completed in one week. Oil Pump and Drive. The 60% larger oil pump to be instructed as shewn on LeC.4400. Wheelcase and Fittings. To suit larger slipper flywheel. Scheme to be completed in one week. Water Connections. It was agreed to cancel the thermostatically operated bypass system as at present instructed, and to use the radiator shutters operated as on the Phantom car. The water connections will have to be modified to suit this, and to suit the 1⅜" diameter water pump suction pipe. The top water rails are to be modified in addition, to remove a restriction which exists in the present design. Design instructions for this will be completed shortly. Oil Fittings. To be as at present instructed. Oil Filler. This section to be held up for new design, which will be issued shortly. The new scheme will incorporate an engine breather on the same lines as recently issued for the Bentley. Oil Filter. To be instructed to LeC.4385. | ||