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).
Drawing for two types of cylinder studs, detailing dimensions, materials, and manufacturing notes.
| Identifier | WestWitteringFiles\W\May1931-August1931\ Scan019 | |
| Date | 1st July 1930 | |
| TITLE: CYLINDER STUD DRAWING NUMBERS: E 82196, E 56327 REVISIONS TABLE: LETTER | DATE | AUTHORITY | DESCRIPTION OF ALTERATION A | 20.1.30 | - | FIRST ISSUE B | 11.2.30 | P.V.S/C.M. 179 | THREAD AT EACH END WAS 7/16" B.S.F. C | 25.2.30 | P.V.S/C.M. 179 | LENGTH OF PLAIN PART WAS 1.375 D | 1.7.30 | P.V.S/C.M. 191 | LENGTH OF THREAD WAS 1/2. LENGTH OF PLAIN PART WAS 1.300 NOW 1.175 SPECIFICATIONS: MATERIAL: S.11. STEEL HEAT TREATMENT: TO BE HEAT TREATED TO SPEC. No. H.T. 14.D. NOTES: 1. TO BE ANNEALED IN SALT BATH BEFORE GRINDING. 2. ROOT DIA. OF THREAD TESTED & ALL BURS TO BE REMOVED BEFORE PLATING. 3. STUDS MARKED 'X' ON END OF STUD. | ||