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).
Series of tests on EAC.111 cars in France during 1924.
| Identifier | Morton\M20.3\ img037 | |
| Date | 30th December 1924 | |
| R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. SHEET 1. REF: Hs{Lord Ernest Hives - Chair}/AH/LG.30.12.24 DETAILS OF TESTS ON EAC.111. CARS IN FRANCE. | Test No. | Car. | Date of test | Where tested. | Mileage of test. | Particulars of parts on test. | |---|---|---|---|---|---| | I | 46-PK. | 2.2.24 to 11.3.24 | Southern France. | 3183 | Original high speed servo system. EAC. | | II | 98-NK. | 15.3.24 to 28.4.24 | Chateauroux. | 9449 | Cone clutch servo with reverse action. | | III | 9.PK. | 15.3.24 to 5.6.24 | * | 12868 | Original WW. plate servo system. | | IV. | 98.NK. | 5.6.24 to 7.7.24 | * | 10352 | Adopted scheme semi-servo system. | | V | 35-PK | 5.6.24 to 4.8.24 | * | 18734 | Adopted scheme semi-servo system. | | VI. | 35-PK | 5.8.24 to 13.8.24 | * | 3,024 | As test No.V. but with new type front springs. | | VII. | 9-PK | 3.8.24 to 8.9.24 | * | 11077 | Final test on 'Adopted' scheme. | | VIII. | 9-PK 98-NK. | 7.10.24 to 30.10.24 | * | 10013 | Woodheads 20% stiffer front springs. | | IX. | 98-NK | 28.10.24 to 28.10.24 | * | 2129 | Firths 12 1/2% stiffer front springs. | | X | 98-NK | 31.10.24 to 19.11.24 | * | 10001 | Woodheads 12 1/2% stiffer front springs. | | XI | 98-NK | 21.11.24 to 23.11.24 | * | 1007 | Dunlop Balloon tyres. | | XII | 98-NK | 25.11.24 | France. | 597 | Returning to Port. | | XIII | 9-PK. | 19.11.24 to 11.12.24 | Chateauroux. | 10458 | Firths re-designed 12 1/2% stiffer front springs. | TOTAL MILEAGE ON F.W.B. CARS IN FRANCE FEB. TO DEC.1924. 103,159 MILES. | ||