Test results for car 2-B-4 at Brooklands after fitting new Aerolite pistons.
| Identifier | ExFiles\Box 155\1\ scan0162 | |
| Date | 12th September 1934 | |
| S/W. {Sales / Derby Works} Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} ..from Bn. {W.O. Bentley / Mr Barrington} Copy to Sg. {Arthur F. Sidgreaves - MD} x188 Rm {William Robotham - Chief Engineer} Bn. {W.O. Bentley / Mr Barrington} 1/WT12.9.34. I tested the car I am running - 2-B-4 at Brooklands with the following results. Lap speed, average of three laps. 90. Flying half-mile. 93.26 Rev. counter reading over half-mile about. 4500 Gain since new pistons (Aerolite) fitted - about 2 m.p.h. Bn. {W.O. Bentley / Mr Barrington} | ||
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).