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).
Blueprint graph of car acceleration performance tests for the 27EX model, conducted at Brooklands.
| Identifier | ExFiles\Box 179\3\ img077 | |
| Date | 10th March 1932 | |
| 27EX CAR ACCELERATION 5.75:1 CYLINDER HEAD (E.82758) DOUBLE VALVE SPRINGS (LEC-2993) 1 1/4" CAMSHAFT (E.82445) CAR WEIGHT: 5334 lbs 11/41 REAR AXLE 21" TYRES BROOKLANDS ROAD SPEED (M.P.H.) TIME (Secs) STD R.R. CARB. CUT OUT CLOSED TWIN S.U. CARBS TWIN S.U. CARBS OPEN | ||