Measurements of Spectre cylinder liners detached from the cylinder block, comparing Centri-cast and Austenitic steel types.
| Identifier | ExFiles\Box 93\4\ scan0014 | |
| Date | 12th February 1935 | |
| SPECTRE(Codename for Phantom III) CYLINDER LINERS MEASURED - WHILST DETACHED FROM CYLINDER BLOCK (BLUE FIGS. DENOTE DIMENSIONS TAKEN WITH LINER COLD) (RED FIGS. DENOTE DIMENSIONS TAKEN WITH LINER IN WATER AT 90° C) SPECTRE(Codename for Phantom III) CENTRI-CAST LINER DIAMETERS 'AA {D. Abbot Anderson} ' -.0017 +.0005 -.002 -.0002 -.002 +.0003 DIAMETERS 'BB' -.0035 -.0015 -.0022 -.0005 -.0015 +.0005 SPECTRE(Codename for Phantom III) LINER IN AUSTENITIC STEEL DIAMETERS 'AA {D. Abbot Anderson} ' -.008 -.001 -.0082 -.001 -.0028 -.0005 DIAMETERS 'BB' -.0034 -.0013 -.0033 -.0012 -.0028 -.0005 VERTICAL DIMENSIONS: .750 3.500 5.800 JIG SIZE NOTE: + ABOVE JIG SIZE } 3.950" - BELOW JIG SIZE RUBBER GLAND SECTION AVERAGE EXPANSION = .002" STAMP: ROLLS-ROYCE. LTD FEB 13 1935 DERBY. | ||
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).