Re-assembly instructions for a Wraith No.6 unit following its dismantlement.
| Identifier | ExFiles\Box 7\1\ 600b 27 G V1 Mx Car-page71 | |
| Date | 10th November 1938 | |
| 600. To HPS. {Horace Percy Smith - Experimental Factory Mgr} from Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} WRAITH NO.6 UNIT (27.G.VI). Now that we have had an opportunity of inspecting the above unit since being dismantled, the complete instructions for the re-assembly are as follows:- (1) EW.1922/3 Cylinder block and head. (2) .060 Klinger head gasket which Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} will supply. (3) Std. Wraith bottom tappets and .4 carbon push rods. (4) Rockers to be fitted with Vandervell bushes which we intend to standardise. (5) Retain existing timing gears. (6) General filter to be fitted. (7) Std. Wraith connecting rods and big end bearings. (8) Fit alternative valve seals. Nos. 1 - 4 ECD.1014 (Fig.1) Nos. 5 - 8 ECD.1014 (Fig.2) Nos. 9 -12 ECD.1022 (9) Pistons to EW.2065 to be fitted in conjunction with std. rings. Regarding the cylinder head removed, we should like it checking for cracked seats, valves crack tested and the valve springs checked for poundage. 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).