Sequence of modifications list for the B.60 & B.80 crankcase and cylinders.
| Identifier | ExFiles\Box 124\2\ scan0238 | |
| Date | 9th May 1939 | |
| 1044 B.60 & B.80 CRANKCASE & CYLINDERS. SEQUENCE OF MODIFICATIONS. EB.3778 C'case & Cylinders. B.60 Issued 9.5.38. Re-issued 3.6.38. EB.3950 C'case & Cylinders. B.80 Issued 14.6.38 This drawing indicates mods. to 6 Cylinder pattern when required for 8 Cylinder. Re-issued 18.7.38. Modified to suit FD. {Frank Dodd - Bodies} 196 Timing Gears & Front End. FD. {Frank Dodd - Bodies} 203 Water Pump & Fan. ECD.772 Rear End of C'case. Re-issued 4.10.38. Mod. to suit Dynamo Susp. Bosses. Re-issued 20.10.38. As a complete drawing incorporating EB.4139 modifications. Re-issued 5.12.38. FD. {Frank Dodd - Bodies} 266 Modifier Exhaust parts. EB.4139 C'case & Cylinders B.60 Issued 24.8.38. ECD.772 Mod. Rear End of C'case. ECD.823 General Bye-Pass Filter. Re-issued 15.9.38. ECD.837 Rear end Crank oil retainer modified in shape. EB.4413 C'case & Cylinders 3 1/2 bore B.60 Issued 10.11.38. To suit Vandervell Bearings. EB.4669 C'case & Cylinders B.60 Issued 28.2.39. To suit 2.75 dia. journal C'shaft Chain driven Camshaft. EB.4670 C'case & Cylinders B.80 Issued 28.2.39. As above on B.60. EB.4918 C'case & Cylinders B.60 Issued 9.5.39. FD. {Frank Dodd - Bodies} 252 Preliminary Scheme for "Wilcox" Rich Zero Sash Tappets. | ||
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).