Instructions for modifying the brakes on a Wraith 25 G VI.
| Identifier | ExFiles\Box 7\7\ X 606 Brakes-page075 | |
| Date | 30th August 1937 | |
| To HPS {Horace Percy Smith - Experimental Factory Mgr} from Rm {William Robotham - Chief Engineer} /AFM. {Anthony F. Martindale} x 606 Rm {William Robotham - Chief Engineer} /AFM. {Anthony F. Martindale} 7/LH. {Mr Haworth} 30.8.37. Wraith Brakes 25 G VI. Will you please modify the above brakes as follows :- Take the servo off 26 G VI and fit it to 25 G VI. The servo on 25 G VI. has obsolete cams the latest type should be fitted to it before it is used again. Reline the brakes with Ferodo S7356, herewith. Fit the latest type fully heat treated drums. These are available. The drums now on 25 G VI. should then be fully heat treated and new liners fitted. They can then be interchanged with the drums on 24 G VI. Rm {William Robotham - Chief Engineer} /AFM. {Anthony F. Martindale} | ||
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).