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).
Suggestion for a centre bearing design with an external oil groove and a plain bore with multiple holes.
| Identifier | ExFiles\Box 173\1\ img192 | |
| Date | 3rd February 1934 | |
| SUGGESTED CENTRE BEARINGS WITH EXTERNAL OIL GROOVE AND PLAIN BORE HAVING 6 OR 8 HOLES. NO OIL GROOVE IN BORE. PERHAPS BEARINGS OF THIS TYPE COULD BE PRODUCED AND TESTED. NO. OF HOLES WILL NO DOUBT PROVIDE SUFFICIENT LUBRICATION FOR CONN. ROD BRS. IF THIS IS DONE WILL ANTICIPATE ALLISON'S NEXT MOVE. ROLLS-ROYCE, LTD PRINT ROOM 3 FEB 1934 DERBY | ||