Issues with Phantom III bottom tappets, requesting a switch to standard production valve gear.
| Identifier | ExFiles\Box 159\6\ scan0028 | |
| Date | 16th October 1937 | |
| 1371 To HPS. {Horace Percy Smith - Experimental Factory Mgr} from Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} 2/AP.16.10.37. PHANTOM RIG ENGINE In view of the trouble which is being experienced on Ph.III. bottom tappets, will you please fit the above unit with standard production valve gear including:- (1) Standard camshaft. (2) Standard production bottom tappets. (3) Plunger mechanism and rockers as standard production in fact to be representative of the present production valve gear throughout. Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} | ||
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).