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).
Comparative analysis table of two different vehicle configurations, EAC.11 and EAC.1V.
| Identifier | ExFiles\Box 69\2\ scan0051 | |
| Date | 1st February 1924 guessed | |
| ITEM. EAC.11. EAC.1V. Engine power. Equal. Equal. Engine silence. Equal. Equal. Engine weight. Light, owing to starter being fitted to gearbox. ---- Accessibility and repairs. Better because of having separate gearbox. ---- Clutch. Equal. Equal. Gearbox, No. of speeds and ratios. Equal. Equal. Silence. Present standard. Unknown. Gearbox weight. ---- May be 20 lbs. lighter - also starter on engine. Starter. Present standard. Unknown as regards reliability, weight and performance. Dynamo, wiring and switches. Equal. Equal. Brakes, including servo. Equal. Equal. Steering. Equal. Equal. Body space. Equal. Equal. Springing. Standard. Might be worse owing to weight distribution. Radiator. Equal. Equal. Rear axle. Equal. Equal. Reliability. ---- Less reliable owing to many additional new parts. | ||