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).
Instructions for engine assembly, testing, and component modifications for various Continental and Bentley units.
| Identifier | ExFiles\Box 155\2\ scan0023 | |
| Date | 30th December 1936 | |
| -2- (7) Prior to going to gear quietening, a full list of any attention necessary by the shop to be made. (8) Note oil pressure at idling speed with hot oil. No. 14 Continental Unit. Following seizure of blade rod bearing during running in, engine is being reassembled with new big end bearing. We have instructed that all the RR.56 big ends have a blade rod clearance of .004 - .0045. The bottom tappets will be all standard Fescol. An opened out carb. air bend and de-restricted cast iron hot spot are available for trial. Specification and jobs to be carried out as per the memo Rm{William Robotham - Chief Engineer}/Swd19/AP.7.12.36. BENTLEY. B.3. To have usual preparatory run on bed for 3.B.IV chassis, 15,000 miles test. Has AC.1 main bearings with .0035 clearance and RR.56 big ends with .00225 clearance. Gear quietening and dowelling to be carried out on test bed. Complete list of parts requiring attention by shop to be made. B.17. Unit is being assembled with W/M main bearings RR. metal and RR.56 big ends for endurance. 3 Exhaust valves in S/SLV(not stellited) 3 KE.965 (stellited valves). Endurance to be run at full throttle in order to compare the RR. W/M with Hoyts Z.3. which we have previously run under these conditions. Run to be carried out at oil inlet temperature of 100°C and on Ethyl petrol taking note of valve clearances. | ||