Resolving a knock in a Wraith's rear shock damper by reducing lateral play.
| Identifier | ExFiles\Box 105\4\ scan0274 | |
| Date | 20th September 1938 | |
| To By.. from Rm {William Robotham - Chief Engineer} /GWH. {George W. Hancock - Head Chateauroux} c. Mx. {John H Maddocks - Chief Proving Officer} c. Rm. {William Robotham - Chief Engineer} Rm {William Robotham - Chief Engineer} /GWH. {George W. Hancock - Head Chateauroux} 12/N.20.9.38. Wraith - Shock Dampers. Sg {Arthur F. Sidgreaves - MD} 's Wraith has been into Cricklewood for a knock in the rear of chassis. This was traced to the O.S. rear damper having .009" lateral play in the rocker shaft, causing a metalic knock. This was reduced to .002 - .003" which cured the knock complained of. GWH. {George W. Hancock - Head Chateauroux} | ||
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).