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).
Minutes from a chassis conference detailing parts required to substitute a pre-loading spring for a straight roller bearing.
| Identifier | ExFiles\Box 174\3\ img255 | |
| Date | 31th December 1940 | |
| [Handwritten]: file - Rois chassis conference To Rm.{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/HH. c. to Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} c. to Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} Rm{William Robotham - Chief Engineer}/HH.1/SW.31.12.40. In accordance with the Tester's conference, the minutes of which were recorded in Rm.{William Robotham - Chief Engineer}5/ML.4.12.40, the following are the instructions called for in Item 22. The following parts will be required to substitute the pre-loading spring for the straight roller bearing. GB.3980 Belleville Washer. 4 Off. GB.3981 Housing Oil Seal. 1 " GB.3982 " " 1 " GB.3983 Housing Roller Bearing. 1 " GB.3984 " " 1 " GB.3986 Adjusting Washer. 1 " GB.3987 " " 1 " Exs.1569 Housing roller bearing. 1 " Exs.1570 Retaining ring. 1 " [Red ink initials 'Trm' over the parts list] The following bearings will be required :- Timkin Roller Bearing - 3.265 x 1.750 x .875 Series 35,000. 1 Off. Hoffmann RXLS 1 3/4 1 " Stud - Oil seal housing KB.758 6 " Nut - " " " K.4310 6 " The diffuser casing to accommodate these bearings appears to be slightly modified in diameter, and should this be considered necessary, we could copper plate the surface in order to increase the diameter from 1.750 +1/4 to 1.7515 -1/4. This completes the instructions. 1 print of each attached to Rm{William Robotham - Chief Engineer}/CTS{C. Trot Salt - Carburation} copy. Rm{William Robotham - Chief Engineer}/HH. [Handwritten]: 106 | ||