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).
Cable from the USA regarding threaded shackles and recommending the Packard suspension scheme as an alternative.
| Identifier | ExFiles\Box 174\2\ img031 | |
| Date | 13th March 1937 | |
| Sg.{Arthur F. Sidgreaves - MD} from Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} To: Da{Bernard Day - Chassis Design} The following cables from the States have been received from Rm{William Robotham - Chief Engineer}:- "THREADED SHACKLES STILL NOT ENTIRELY SATISFACTORY PRESENT AMERICAN TREND ON WISHBONE SUSPENSIONS IS TO FIT RUBBER TO ELIMINATE NOISE. PACKARD SCHEME ONLY PRODUCTION LAYOUT FULLY TESTED WITH RUBBER IT HAS EXCELLENT SERVICE RECORD RECOMMEND PROCEED PACKARD SCHEME AS ALTERNATIVE." Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} | ||