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).
Specifications and instructions for engine components including camshafts, crank dampers, and pistons for various units.
| Identifier | ExFiles\Box 123\5\ scan0197 | |
| Date | 30th November 1938 | |
| -3- Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}1/MH.{M. Huckerby}30.11.38. Camshaft (LOP.EB.4314). No.1 unit in accordance with above LOP. (Camshaft EB.4105.) No.2 unit. Inlet and exhaust conforms to EB.4020/21 as per B.60 camshaft. EB.4268 and the timing marking will be as EB.4021. Otherwise this camshaft as for the 8-cylinder shaft EB.4105. Camshafts for Nos.3 and 4 units to be progressed up to the cam grinding stage and will later specify which cam forms are required. Crank damper LOP.EB.4301. These should be held up pending investigation of the trouble experienced on the test bed engine. Pistons complete to LOP.EB.4318. Remaining parts to complete the above units to be as instructed for the 1st. B.80 engine. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||