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).
Work plan for testing and modifying an S/C chassis unit's engine components.
| Identifier | ExFiles\Box 133\1\ scan0243 | |
| Date | 6th July 1937 | |
| 1129 To HPS.{Horace Percy Smith - Experimental Factory Mgr} c. to Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} c. to F/PSN. Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards}14/JH.6.7.37. S/C Chassis Unit. Running time for week ending 3rd. July 1937 hrs. Fitting time for week ending 3rd. July 1937. hrs. Work to be done. time. Effect of back pressure on alum head and I/C block 1 1/2 days. SHOP. Fit standard Bentley Unit. While this is being run, the alum head should be modified to the attached memo. Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards}12/JH.6.7.37. Power and detonation and the effect of back pressure on power. Effect of (a) valve timing (b) valve lift. on exhaust loss and back pressure 5-7 days. SHOP. Fit alum inclined valve head and I/C block. with large valve block and solid valve as modified above to give C.R. = 6.4 POWER, detonation and back pressure 3 days, SPARES. (1) Two sets of valve details. (2) Re-conditioned alum T.H. Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards} | ||