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).
Petrol consumption tests on a 20-G-IV model with a modified carburetter.
| Identifier | ExFiles\Box 102\1\ scan0269 | |
| Date | 25th February 1935 | |
| +5D8D To Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} c. to Hs{Lord Ernest Hives - Chair}/CTS.{C. Trot Salt - Carburation} Hs{Lord Ernest Hives - Chair}/GR.{George Ratcliffe}3/KW.25.2.35. Petrol Consumption on 20-G-IV. Axle Ratio 12 x 50: Tyres 6" x 18". 2nd Modified Carburetter to LeC.4292. Test carried out over Repair Route previously reported. XC3 Needle is slightly weak, full throttle 35/45 m.p.h. XC2 Needle, carburation O.K. XC3; 17.1 m.p.g./ 39 m.p.h./ 45 miles. XC2; 17.1 m.p.g./ 39 m.p.h./ 45 miles. Both miles and measures used corrected. Hs{Lord Ernest Hives - Chair}/G.Ratcliffe. | ||