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).
Design blueprint for a Bush for PIII Rockers.
| Identifier | ExFiles\Box 96\2\ scan0192 | |
| Date | 17th December 1936 guessed | |
| RM{William Robotham - Chief Engineer} 267 1 HOLE .025 DIA 1.047 .524 ±5 .550 ±5 8 HOLES DRILL .062 DIA 1.123 .9697 DIA .078 CHAMFER .025 AT 45° BOTH ENDS UNDERCUT 1.062 DIA. .100 WIDE +10 .890 ±10 16 OIL GROOVES EQUALLY SPACED. .035 DEEP. .050 WIDE. END FACES MUST BE SQUARE WITH FINE LIMIT DIAMETERS. FINE LIMIT DIAMETERS MUST BE CONCENTRIC. MATERIAL BZ/PC BUSH. PIII ROCKERS. RM{William Robotham - Chief Engineer} 267 KRhodes | ||