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).
Modifications for the Wraith car, including rear axle packing pieces and a new clutch operation method.
| Identifier | ExFiles\Box 108\2\ scan0126 | |
| Date | 17th August 1938 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} 600. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}9/JH.17.8.38. WRAITH CAR MODIFICATIONS. There are still one or two points on the Wraith cars where we are behind production specification. Two items to mind are the 2° packing pieces under the rear axle to cure the 47 m.p.h. transmission periods and the new method of operating the clutch to scheme GCD.798 for preventing violent clutch jagger. Will you please have these two mods. fitted to 26.G.VI. whilst you have the car in the fitting shop, and issue instructions for all exptl. Wraith cars including WXA.1 and WXA.2. to have same fitted when next they are in the fitting shop. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} | ||