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).
Performance tests on an Essex Terraplane car.
| Identifier | ExFiles\Box 113\2\ scan0186 | |
| Date | 13th October 1933 | |
| To Hs.{Lord Ernest Hives - Chair} e.{Mr Elliott - Chief Engineer} Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey} X17251 13.10.33. r4217 ESSEX TERRAPLANE. The following is a table of Performance Tests carried out with the above car. Ticknall Hill. Average of 3 runs. Start. 1st Gate. Finish. Time. 10 m.p.h. 36 m.p.h. 66 m.p.h. 55 secs. Pistern Hill. Start at standard Phantom II point Finish. Time. 10 m.p.h. 42 m.p.h. 47.4 secs. ACCELERATION TESTS ON SHARDLOW ROAD. Top Gear. 10 - 30 m.p.h. - 7.23 secs. 30 - 50 m.p.h. - 8.6 secs. 50 - 70 m.p.h. - 14.4 secs. 2nd Gear. 10 - 30 m.p.h. - 4.75 secs. 30 - 40 m.p.h. - 2.90 secs. 40 - 50 m.p.h. - 4.23 secs. TEST ON SALT BOX STRAIGHT ON UTTOXETER ROAD. Average of 4 runs - two each way. 10 - 75 m.p.h. - 37.25 secs. Petrol consumption run of 71 miles at an average speed of 40 m.p.h. gave us 15.77 m.p.g. Hs{Lord Ernest Hives - Chair}/G.H.Whyman. | ||