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).
Experimental blueprint detailing modifications to a gear change bracket to stop rattles.
| Identifier | ExFiles\Box 85\2\ scan0122 | |
| Date | 12th October 1934 | |
| N SOH 4226 TEMPORARY OIL HOLE. THE CHASSIS LUBON SYSTEM MIGHT BE SUITABLE OUTER BUSH IS THE STD. PUSH FIT IN THE CASING. DIAMETRICAL CLEARANCE 4-5/1000" COUNTERBORE 10-20/1000 ON DIAMETER 5-10/1000 ENDWISE CLEARANCE THERE IS NO ALTERATION TO THE BRACKET EXCEPT THIS COUNTERBORE 3 OIL HOLES IN EACH BUSH OIL GROOVE ON 9 DIA. OF EACH BUSH .015 - .020 DEEP .200 WIDE ROLLS-ROYCE, LTD. PRINT ROOM OCT 12 1934 DERBY. MODIFICATIONS TO GEAR CHANGE BRACKET TO STOP RATTLES EXPERIMENTAL BENTLEY IK/DP/ 12-10-34 N SOH 4226 | ||