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 of a piston, connecting rod, gudgeon pin, and related components for a Lorraine Dietrich engine.
| Identifier | WestWitteringFiles\Q\February1927-March1927\ 74 | |
| Date | 1st March 1927 | |
| PISTON CONN. ROD. GUDGEON PIN ETC. LORRAINE DIETRICH. GUDGEON PIN RETAINERS NOT SHEWN. LENGTH OF PISTON 2.560. NOT PEENED IN POS. 1.380. WEIGHT OF PISTON AND RINGS (INCLUDING GUDGEON PIN) LBS OZS - 13 7/8. CONROD AND BEARING - 1 - 12 1/4. CONROD BIG END - 1 - 4. SECTION OF SCRAPER RING SCALE 10/1. 6 HOLES EQUALLY SPACED. PINNED IN POSITION. .600R. 2.250 CTS.{C. Trot Salt - Carburation} .700 RAD. 9.062 CTS.{C. Trot Salt - Carburation} 1.275 DIA. 1.030 DIA. .870 DIA. 2.010 DIA. TOLERANCE ON WEIGHT ± 0.25 OZS. DURALUMIN BUSH. .715 BORE. 45°. .630. 2 HOLES .403 DIA. GUDGEON PIN. 2.415. .866 DIA. GUDGEON PIN RETAINER. ALUM. TAPPED .375 TO FACILITATE REMOVAL. GROUND TO PISTON. 1.200. .232. TIGHT FIT IN PISTON. 10 HOLES .080 DIA. ALSO 10 HOLES ABOVE SCRAPER RING. 1.187. OFFSET. SURFACE GROUND. 2.047 O/A.{Mr Adams} 2.923 DIA. .456. 1.26. 1.414. ROLLS-ROYCE, LIMITED. PRINT ROOM, 1 MAR 1927. DERBY. | ||