New drawing for a Cylinder Head with a 3 1/2' bore and a 6.5 to 1 compression ratio.
| Identifier | ExFiles\Box 132\4\ scan0234 | |
| Date | 6th February 1940 | |
| 1124 File To Rm. {William Robotham - Chief Engineer} c. Rm {William Robotham - Chief Engineer} /FJH. {Fred J. Hardy - Chief Dev. Engineer} c. Rm {William Robotham - Chief Engineer} /CTS. {C. Trot Salt - Carburation} c. Ev. {Ivan Evernden - coachwork} Ev {Ivan Evernden - coachwork} /HH.2/WB. {Mr Brazier / Mr Bell} 6.2.40. Cylinder Head. 3 1/2" bore. 6.5 to 1. Sec: 5050 - Cylinder. Please receive herewith two prints of the following new drawing :- RE.327. Cylinder Head. 1 off. This drawing is similar to RE.270, except that .104 has been added on the bottom face. The inlet valve and valve seating will be issued later. Ev {Ivan Evernden - coachwork} /HH. | ||
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).