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).
Graph plotting road speed against time for acceleration tests of the 27EX car at Brooklands.
| Identifier | ExFiles\Box 155\1\ scan0012 | |
| Date | 10th March 1932 | |
| 27EX CAR ACCELERATION 5.75:1 CYLINDER HEAD (E.82758) DOUBLE VALVE SPRINGS (LEC-2993) 114° CAMSHAFT (E.82448) CAR WEIGHT: 5334 lbs 11/41 REAR AXLE 21" TYRES BROOKLANDS 10.3.32 ROAD SPEED (M.P.H.) TIME (SECS) LEGEND: STD R.R. CARB. CUT OUT CLOSED TWIN S.U. CARBS " " TWIN S.U. CARBS " OPEN | ||