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).
Test log comparing engine performance with different governor and head configurations, including detonation and roughness data.
| Identifier | ExFiles\Box 101\2\ scan0144 | |
| Date | 28th June 1938 guessed | |
| 10° ADV BTDC TABLE COLUMNS: [Column 1], TURBULATED, 5-40 MPH, 5-70 MPH, MAX SPEED, DETONATIONS FADE OUT, INTENSITY OF DETONATION TABLE ROWS: 1. STANDARD GOVERNOR + DISTRIBUTOR, HEAD, 16.1 Secs, 49.7 Secs, 73.5 m.p.h., 14 m.p.h., FAINT. 2. STANDARD GOVERNOR + DISTRIBUTOR, DETURBULATED HEAD, 16.6 ", 52.7 ", 74.7 ", 10 ", FAINT. 3. SPECIAL GOVERNOR, TURB HEAD, 16.4 ", 47.0 ", 79.5 ", 10 ", FAINT. 4. DELIVERED TO I. WALLER, DETURB HEAD, 17.85 ", 48.05 ", 79.75 ", 7 ", V.{VIENNA} FAINT. 5. SPECIAL GOVERNOR, TURB HEAD, 16.7 ", 49.2 ", 79.2 ", 11 ", FAINT. 6. DELIVERED TO H.F. HAMILTON No. 8. B.W., DETURB HEAD, 16.35 ", 47.75 ", 75.5 ", 9 ", FAINT. SIDE TEXT (VERTICAL): ROUGHNESS FROM 5MPH IN TOP | ||