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).
Vehicle performance tests, detailing speeds, carburettor settings, and fuel/oil consumption.
| Identifier | ExFiles\Box 93\2\ scan0156 | |
| Date | 6th April 1936 | |
| -2- HS{Lord Ernest Hives - Chair}/PL.10/JM.{Mr Morley}6.4.36. Cut out open Lap - 90.53 m.p.h. 1/2 mile - 94.74 m.p.h. Result clear. Test 4 2nd Carburettor. Pumps, flex, pipe line in the V but the petrol feed taken up directly under the needle seating. Needle seating - 130" Needle 6° on D nose. Lap 87.39 m.p.h. 1/2 mile 92.78 Result - clear, no sign of starving. Derby-Brooklands - petrol consumption - 7.9 m.p.g. average speed - 44.4 m.p.h. Brooklands - Derby } Change of carburetter } - Petrol consumption 8.81 m.p.g. as used in test 4 } average speed 40.28 m.p.h. Derby Brooklands } and Return including } - Oil consumption - 586.6 m.p.g. mileage at the track. } | ||