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).
Parts list for incorporating ball bearings in the roller on the steering rocker for a Phantom III chassis.
| Identifier | ExFiles\Box 95\1\ scan0513 | |
| Date | 28th December 1938 | |
| 350 BY/HEB.{H. Biraben}5/WB.{Mr Brazier/Mr Bell}28.12.38. To HFS. c.c. Dr. c.c. WIC/wld. c.c. AUD/Des. for WPD. c. Rm{William Robotham - Chief Engineer}/PJH1 [Signature] PHANTOM III CHASSIS. STEERING COLUMN AND BOX - SEC : 7050. BALL BEARINGS IN ROLLER ON STEERING ROCKER - PD.330. Please receive herewith two blue prints of the following parts, detailed in accordance with the above scheme :- F.89828 Steering Cam Roller Assembly. 1 off. F.89829 Ball Bearing Race - Cam Roller. 2 " F.89830 Retaining Ring - Ball Bearing Race. 1 " F.89831 Roller (Ball Bearing Mounted) .004 oversize. ) 1 off to F.89832 ( " " " ) .010 " ) suit. F.89837 Bolt - Roller Race. 1 off. The following existing and standard parts will also be required :- FW. 915 Packing Washer - Cam Roller ) to suit. FW. 916 " " " ) F.89446 Bolt - Roller Race. 1 off. F.72065 Nut - " " 1 " G.76746 Washer - " " 1 " K.{Mr Kilner} 4608 Split Pin - " " Bolt. 1 " 19/64" Dia: Ball Bearings - Cam Roller. 24 " The following parts will not be required :- F.87135 Bolt - Roller Race. 1 off. F.87132 Adjg. Shim - " " ) F.87133 " " " " ) 4 " to suit. F.88146 " " " " ) F.88147 " " " " ) F.89717 Bearing Race - Cam Roller. 2 " F.89718 Distance Piece - Roller Race. 1 " F.87752 Roller Bearing Cage - Cam Roller. 2 " F.89018 Cam Roller - .800 Lead ) F.89038 " " - (.020 oversize) } 1 " to suit. F.89039 " " - (.015 " ) } F.89040 " " - (.010 " ) } CONTD...... | ||