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).
List of technical notes and required modifications for engine components.
| Identifier | ExFiles\Box 97\1\ scan0123 | |
| Date | 26th February 1938 | |
| - 7 - HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth}1/VS.{J. Vickers}26.2.38. Cylinders (Continued). 15. Water Pipe Stud Hole is not required - please provide plug for this on LOP. 16. Studs for induction pipe flange facings are too long now Klingerite joints are fitted. Crankshaft (LOP.EB.3656). 17. E.14705. Keys for spring drive are called for both on spring drive LOP. and crankshaft. 18. EW.1547. Stud for rear journal is too long. Wheelcase. 19. EW.1628. Wheelcase - an oil drain hole .125 diameter has been provided to supply oil to thrust button. This hole is difficult to drill and is quite unnecessary - suggest it be deleted. Camshaft and Bearings. 20. The outside diameter of EW.1624 Thrust Plunger is the same as the inside diameter of the camshaft - please rectify this. We suggest also that the .045 diameter air release hole in the thrust plunger be deleted. 21. We recommend the deletion of the oil hole in the tachometer gear on EB.3466 Camshaft - shaft to be left unbored at the end. Water Connections. 22. EB.3635. Bye-Pass Pipe is too short. 23. EB.3322. Connection - radiator to cylinders - is too short. 24. Elbow for delivery bend is not called for on LOP. (EW.1382 is fitted to Wraith III). HPS{Horace Percy Smith - Experimental Factory Mgr}/R.{Sir Henry Royce} Hollingworth. | ||