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).
The conditions for tests on a Barker Open Touring 'V' Series car at Brooklands.
| Identifier | ExFiles\Box 160\2\ scan0042 | |
| Date | 8th July 1925 | |
| R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. H4578 REF:Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}/LG8.7.25. 98-NK - BARKER OPEN TOURING 'V' SERIES. X7G6 X7PP TESTS ON BROOKLANDS. Total weight of car complete with passengers, petrol etc. 2.513 tons. Conditions of car for each test specified for each test. Tyre pressures 45 lbs/sq.in. front. 50 lbs/sq.in. rear. Two spare wheels carried. Fuel used - Shell No.1. Atmospheric conditions for test - Fine - dry - light winds. contd :- | ||