Test results table showing 'steady braking' and 'pick up' performance for a 6-cylinder engine at various speeds.
| Identifier | ExFiles\Box 162\3\ img002 | |
| Date | 31th May 1911 | |
| No. S.R.L. No. 6 31.5.11 TABLE DATA COLUMN HEADERS: - Speed Miles/hr. Top gear. - No.1 CYL.: steady braking / Pick up Test - No.2 CYL.: steady braking / Pick up test - No.3 CYL.: steady braking / Pick up test - No.4 CYL.: steady braking / Pick up test - No.5 CYL.: steady braking / Pick up test - No.6 CYL. COIL: steady braking test by / pick-up test bt {Capt. J. S. Burt - Engineer} (Note: 'by' and 'bt {Capt. J. S. Burt - Engineer} ' are handwritten) ROW DATA: - Idling slow running: [- / 2.4], [- / 2.2], [- / 2.5], [- / 2.6], [- / 4.0], [- / 4.3] - 10: [3.1 / 3.3], [3.15 / 2.9], [4.3 / 3.0], [4.2 / 4.0], [4.8 / 3.05], [5.6 / 3.85] - 15: [3.25 / 3.8], [3.8 / 3.65], [4.6 / 4.6], [4.6 / 4.85], [5.2 / 5.0], [5.7 / 5.2] (Handwritten in No.6 column: 4.25 & 2.5 & 5.8) - 20: [3.4 / 4.0], [3.8 / 4.1], [4.65 / 4.65], [3.8 / 4.7], [5.3 / 5.1], [5.7 / 5.3] (Handwritten in No.6 column: 4.75, 6.2 & 6.75) FOOTNOTES: - Idling Speed 350 R.P.M. - Slow running speed 6 M.P.H. Handwritten note to the right of the table: 5 | ||
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).