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 to a Stromberg D.B.42 carburetter to address weakness at part throttle.
| Identifier | ExFiles\Box 102\1\ scan0377 | |
| Date | 20th November 1935 | |
| To Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} c. to Hs{Lord Ernest Hives - Chair}/CTS.{C. Trot Salt - Carburation} x508 Hs{Lord Ernest Hives - Chair}/GR.{George Ratcliffe}12/KW.20.11.35. 18-G-IV. Stromberg carburetter D.B.42, strengthened up to overcome weakness at part throttle 30-45 m.p.h. Consumption checked at 16 m.p.g. average speed 45 m.p.h. Alteration to previous specification is an .062" main jet instead of .060" (Hs{Lord Ernest Hives - Chair}/GR.{George Ratcliffe}8/KW.16.11.35). Hs{Lord Ernest Hives - Chair}/G.H.Ratcliffe. | ||