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).
Letter to G.W. Hancock regarding a Cadillac carburetter modification, a planned test drive in France, and a solution for K.L.G. spark plugs.
| Identifier | ExFiles\Box 125\2\ scan0199 | |
| Date | 4th January 1935 | |
| To G.W.Hancock, Esq., Hotel de France, Chateauroux, Indre, France. x1729a Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}12/KW.4.1.35. We are bringing out with us next week when we come to try the Cadillac, a modification to the existing 20/25 Carburetter. This consists of putting the slow running on the other side of the throttle so that the changeover position comes at 8 m.p.h. We think that this definitely improves the performance of the car. We admit that this is getting nearer and nearer to the S.U. because in this particular carburetter the throttle edge does so little that if we block up the main jet altogether the engine will not even idle continuously on the amount of mixture provided by the throttle edge. You will have an opportunity of forming an opinion on it. We are hoping to come out and try the Cadillac on Wednesday and Thursday of next week. The idea is that we come across on the morning boat on Wednesday, meet the Cadillac and 21-G-IV at Boulogne, spend the rest of the day running round Northern France, and catch the boat back the next day. Sg.{Arthur F. Sidgreaves - MD} and various other Sales people are probably coming over. I will cable you confirmation of times on Monday. The K.L.G. plugs which you will have received are to overcome the difficulty of the copper burning away. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||