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).
Table summarizing results from vehicle performance tests at Brooklands.
| Identifier | ExFiles\Box 125\3\ scan0134 | |
| Date | 28th June 1939 | |
| BROOKLANDS TESTS FIG. V TABLE HEADERS: No, TEST CONDITIONS, M.P.H. (MAX:), TOP WATER (MAX. SPEED, 30MPH), BOTTOM WATER (MAX. SPEED, 30MPH), FAN AIR (MAX. SPEED, 30MPH), AIR TEMP., UNDERBONNET (MAX. SPEED, 30 MPH), CRITICAL AIR (MAX. SPEED, 30 MPH) TABLE DATA: Row 1: No: 7, TEST CONDITIONS: TESTS ON 3.B.50, M.P.H. (MAX:): 90, TOP WATER: 91, 98, BOTTOM WATER: 84, 90, FAN AIR: 53.5, 65, AIR TEMP.: 27.5, UNDERBONNET: 44, 52, CRITICAL AIR: 36.5, 29.5 Row 2: No: 4, TEST CONDITIONS: TESTS ON BUICK., M.P.H. (MAX:): 90, TOP WATER: 78, 88, BOTTOM WATER: 71, 82, FAN AIR: 52, 65.5, AIR TEMP.: 26, UNDERBONNET: 55.5, 69, CRITICAL AIR: 44, 37.0 Row 3: No: 2, TEST CONDITIONS: 30.G.VII STANDARD WRAITH FAN, M.P.H. (MAX:): 87, TOP WATER: 82, 82, BOTTOM WATER: 74.5, 72, FAN AIR: 52.5, 54, AIR TEMP.: 29.5/22, UNDERBONNET: -, 47, CRITICAL AIR: 45, 39.5 Row 4: No: 8B, TEST CONDITIONS: 30.G.VII SHORT BLADE FAN WITH INCREASED SET., M.P.H. (MAX:): 87, TOP WATER: 74, 81, BOTTOM WATER: 65, 77, FAN AIR: 46, 53, AIR TEMP.: 21, UNDERBONNET: 42, 45, CRITICAL AIR: 44, 38.5 Row 5: No: 16, TEST CONDITIONS: 30.G.VII BONNET FLIP FLAPS OPEN OTHERWISE AS 8.B., M.P.H. (MAX:): 87, TOP WATER: 73, -, BOTTOM WATER: 62.5, -, FAN AIR: 44.5, -, AIR TEMP.: 20, UNDERBONNET: 42, -, CRITICAL AIR: 45, - Row 6: No: 17, TEST CONDITIONS: 30.G.VII BONNET REMOVED OTHERWISE AS 8.B., M.P.H. (MAX:): 87, TOP WATER: 69, -, BOTTOM WATER: 60, -, FAN AIR: 42.5, -, AIR TEMP.: 20, UNDERBONNET: 33, -, CRITICAL AIR: 49, - Row 7: No: 10, TEST CONDITIONS: 30.G.VII BUICK FAN, M.P.H. (MAX:): 87, TOP WATER: 77.5, 89, BOTTOM WATER: 69, 78, FAN AIR: 48, 59, AIR TEMP.: 22, UNDERBONNET: 44, 51.5, CRITICAL AIR: 42.5, 32.0 Row 8: No: 14, TEST CONDITIONS: 30.G.VII No FAN FITTED, M.P.H. (MAX:): 89, TOP WATER: 92, 90, BOTTOM WATER: 82.5, 84, FAN AIR: 55, 58, AIR TEMP.: 29/20, UNDERBONNET: -, 41.5, CRITICAL AIR: 36.5, 29.0 Row 9: No: 1, TEST CONDITIONS: 30.G.VII WRAITH FAN WITH 5.50" BLADES, M.P.H. (MAX:): 87, TOP WATER: 81, -, BOTTOM WATER: 74, -, FAN AIR: 51, -, AIR TEMP.: 29, UNDERBONNET: -, -, CRITICAL AIR: 46.0, - Row 10: No: 18, TEST CONDITIONS: 30.G.VII NO FAN FITTED., M.P.H. (MAX:): 89, TOP WATER: 92, 100.5, BOTTOM WATER: 81, 92, FAN AIR: 44, 60, AIR TEMP.: 18, UNDERBONNET: 34, 44.5, CRITICAL AIR: 24.5, 18.5 Row 11: No: 20, TEST CONDITIONS: 30.G.VII SHORT BLADED FAN AS TEST 8.B., M.P.H. (MAX:): 87, TOP WATER: 83.5, 89.0, BOTTOM WATER: 72.5, 80, FAN AIR: 44, 53, AIR TEMP.: 19, UNDERBONNET: 36, 45, CRITICAL AIR: 34, 29 Row 12: No: 22, TEST CONDITIONS: 30.G.VII AS 20 WITH SPOT LIGHT REMOVED, M.P.H. (MAX:): 87, TOP WATER: 83.5, -, BOTTOM WATER: 73, -, FAN AIR: 44, -, AIR TEMP.: 19, UNDERBONNET: 37, -, CRITICAL AIR: 34, - VERTICAL TEXT (RIGHT MARGIN): QUICK AND 3.B.50. NO. 2 MATRIX 30. G.VII NO. 1 MATRIX | ||