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).
Measurement chart for J.3 engine cylinder bore diameters with heads in position, taken with cold and hot water in the jacket.
| Identifier | ExFiles\Box 93\4\ scan0015 | |
| Date | 12th February 1935 | |
| J.3. CYLINDERS - WITH HEADS IN POSITION (NIMOL IRON LINERS) E57011 12.2.35 2 NOTE:- DIMENSIONS 'AA{D. Abbot-Anderson}' ARE TAKEN PARALLEL WITH CRANKSHAFT AND 'BB' AT RIGHT-ANGLES TO IT. NOTE:- BLUE FIGS. DENOTE DIMENSIONS WITH COLD WATER IN JACKET. RED FIGS. DENOTE DIMENSIONS WITH WATER AT 80°C IN JACKET + ABOVE Des. SIZE - BELOW Des. SIZE 3.400" DIAMETERS 'AA{D. Abbot-Anderson}' Cylinders 1 to 6 (Blue Figure / Red Figure): 1: CROWN +.0013/+.0057, +.001/+.0053, SKIRT -.0015/+.0005, -.0005/0 2: CROWN +.0005/+.0023, +.0012/+.0028, SKIRT -.0015/+.0002, -.0008/0 3: CROWN +.0008/+.0028, +.0005/+.0023, SKIRT -.001/+.0005, -.0005/+.0005 4: CROWN +.0005/+.0035, +.0005/+.0028, SKIRT -.001/0, -.0007/+.0005 5: CROWN +.0013/+.0043, +.001/+.0037, SKIRT -.0008/+.0003, -.0002/+.0013 6: CROWN +.0012/+.004, +.0012/+.003, SKIRT -.0008/+.0005, -.0002/+.0002 DIAMETERS 'BB' Cylinders 1 to 6 (Blue Figure / Red Figure): 1: CROWN +.001/+.0033, +.0008/+.0007, SKIRT +.0002/+.001, +.0005/+.0033 2: CROWN +.001/+.0025, +.001/+.003, SKIRT -.0005/+.0006, +.0005/+.008 3: CROWN +.0008/+.0022, +.0008/+.0033, SKIRT +.0002/+.0015, +.0004/+.0033 4: CROWN +.001/+.002, +.001/+.0032, SKIRT +.0005/+.0017, +.0007/+.003 5: CROWN +.001/+.003, +.0013/+.003, SKIRT +.0012/+.001, +.0005/+.0023 6: CROWN +.001/+.0018, +.0008/+.0025, SKIRT +.0005/+.0005, +.0008/+.002 Vertical Dimensions: .750", 3.500", 6.000" RUBBER GLAND SECTION, 7.500" Stamp: ROLLS-ROYCE, LTD. PRINT ROOM FEB 12 1935 DER. | ||