Blueprint drawing for a plain rocker bush used in the Wraith model.
| Identifier | ExFiles\Box 115\3\ scan0251 | |
| Date | 16th June 1938 | |
| ENGLISH PROJECTION - DO NOT SCALE - DIMENSIONS INCHES O.DIA. .7535 PRESS FIT .7505/.751 DIA. SPLIT REAM .625/.6255 DIA. ROUGH HOUSING .595/.599 DIA. 1.358/1.373 BREAK CORNERS BOTH ENDS MACHINE 1/32 R. {Sir Henry Royce} ON ENTRANCE EDGE OF HOUSING. ROLLS ROYCE EW1410 ROCKER BUSH-12OFF WRAITH VANDERVELL PRODUCTS LTD. PARK ROYAL, LONDON, W.3. ALTERATION TABLE: No., ALTERATION, DATE, AGREED LIMITS NOT GIVEN ARE +- .010 INSPECTION: HAND PUSH FIT IN RING GAUGE .7545 GO .7555 NOT GO. WALL THICKNESS .076/.078 MATERIAL: D2 BIMETAL WIDTH: THICK: .076 - .078 .041 - .043 STEEL ANALYSIS %: Cu 3-3.5 Sn {Mr Sanderson} 88.25 Sb {Mr Bull/Mr Bannister} 7.25-7.75 Pb .25max Fe .08max Zn & Al-nil WT. REQD. Oz. FIN. WT. Oz. PART: PLAIN BUSH DRN. CHKD. NUMBER: B2204 | ||
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).