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 a Wraith (WXA.1) to fix timing gear rattles.
| Identifier | ExFiles\Box 109\5\ scan0086 | |
| Date | 5th October 1938 | |
| 664 To HPS.{Horace Percy Smith - Experimental Factory Mgr} Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies}19/JH.5.10.38. WXA.1. Sg{Arthur F. Sidgreaves - MD}'s. Wraith will be coming to the works for timing gear rattles. Will you please have a new Attwater cam wheel, prepared and when the car arrives carry out the modification to ECD.478. This means removing the balancing cam modify front centre housing to EX.30725 shorter top stud in crankcase cam-housing modify camshaft to take plunger. Modify wheelcase for plunger thrust button, drill oil feed to thrust button. Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies} | ||