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).
Blueprint for a connecting rod top half bearing for Dennis Bros.
Identifier | ExFiles\Box 115\4\ scan0007 | |
Date | 21th February 1939 | |
SHEET SIZE No: C 1 DRG. No: B P 0144 .015 RAD .255" .257" 30° FIRST BORE 3.072 DIA .227 .219 DIA .250" 45° 48° .125" 2.503 2.502 ALLOWS .005 FOR FACING WHEN IN POSITION .251 .250 .187 .195 1.815 1.813 3.6278 3.6292 DIA. -BEARING SHELLS TO BE PLACED IN BIG END (3.625+.001 DIA) WITH .003 SHIM BETWEEN JOINT FACES OF ROD & BEARING & THEN FINE BORED TO 3.1295+.0005 DIA- MATL A.C.9 CASTING No JP 3000-1 MARK ON PAT No 4702AB-4722AB O/DIA WAS 3.627 / 3.626 16/3/39 JOINT FACE HEIGHT ADDED. BORE DELETED RADIAL THICKNESS ADDED 12/4/39 WHEN MEASURED IN GAUGE 3.6278 WELLWORTHY PISTON RINGS LIMITED TOOL OR PART CON-ROD BEARING FOR DENNIS BROS (TOP HALF) PART No X 1249 MACHINE NAME & No DRAWN A CHECKED J.N. ADDITIONAL SHEETS DATE 21-2-39 SHEET SIZE & No C DRG. No: BP 0144 | ||