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).
Specification sheet for model 3.S.30, detailing modifications to the gearbox, axles, hubs, and electrical components.
| Identifier | ExFiles\Box 111\3\ scan0015 | |
| Date | 12th December 1938 | |
| 800 b To RPT. a.{Mr Adams} to Hy.{Tom Haldenby - Plant Engineer} a.{Mr Adams} to LA.{L. A. Archer} a.{Mr Adams} to Hy{Tom Haldenby - Plant Engineer}/W. a.{Mr Adams} to Hy{Tom Haldenby - Plant Engineer}/CRW. a.{Mr Adams} to Hy{Tom Haldenby - Plant Engineer}/RSH. c. to Hy{Tom Haldenby - Plant Engineer}/CS. c. to Hy{Tom Haldenby - Plant Engineer}/JD.{J. Draper - Frames} c. to Hy{Tom Haldenby - Plant Engineer}/RD. Rm{William Robotham - Chief Engineer}/Sr.15/JB.12.12.38. SPECIFICATION 3.S.30. Herewith a specification to which 3.S.30 should be built. Gearbox. As specified in Hy{Tom Haldenby - Plant Engineer}/Car.2/R.7.9.38. (R) Overdrive ratios. Low 2nd. speed ratio (27/18) and 'Buick' type synchromesh. Prop. shaft & SALV. JOINTS. 1350 type joints GJB.1061. Rear Axle. F2.132 43 m.m. half shafts 10/43 ratio. Front Hubs. A.C. bearings front hubs. Electrical Equipment. Instrument Board. Held up. Battery. T.O.F.DB.{Donald Bastow - Suspensions}2062. Wiring & Fittings. waiting for D.O. ba/JD.{J. Draper - Frames} Cont'd.{John DeLooze - Company Secretary} | ||