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).
Design for a spring drive and crankshaft damper for the Wraith III model, using many Phantom III parts.
| Identifier | ExFiles\Box 132\1\ scan0140 | |
| Date | 4th August 1938 | |
| BI/NS{Norman Scott} c. Rm.{William Robotham - Chief Engineer} 11/6 Rules DA.{Bernard Day - Chassis Design}6/G.4.8.38. SWDL{Len H. Swindell} WRAITH 111. B.3 and B.50. SPRING DRIVE AND CRANKSHAFT DAMPER. Herewith is E.CD.812 shewing a design of damper and spring drive, similar to P.111 for the above cars, and using many P.111 parts. It was done as a result of RHC.{R. H. Coverley - Production Engineer}1/MJ.27.4.38. but the position as regards the damper has altered since then, and it is now sent for record and filing purposes only, in case the matter should arise again. DA.{Bernard Day - Chassis Design} | ||