Tabulated list of vehicle weights for experimental and production cars, detailing chassis and body weights.
| Identifier | WestWitteringFiles\V\October1930-February1931\ Scan275 | |
| Date | 2nd February 1931 guessed | |
| 40/50. CAR. | BODY. | CHASSIS AND ALL ON. cwt. qrs. lbs. | BODY WEIGHT. cwt. qrs. lbs. | TOTAL WEIGHT. cwt. qrs. lbs. | REMARKS. EXPERIMENTAL. 18-EX. | Barker Sports Saloon. | 37. 2. 11. Long chassis. | 7. 0. 11. | 44. 2. 0. | No cases. 24-EX. | Barker Sports Saloon. | 37. 2. 11. Long chassis. | 9. 0. 24. | 46. 3. 7. | " 26-EX. | Barker Continental touring saloon. | 37. 1. 11. Short chassis. | 10. 0. 17. | 47. 2. 0. | Hooper sunshine roof (3 cases) 2 spare wheels. 27-EX. | P.W. Continental touring saloon. | 36. 2. 11. Short chassis. | 10. 0. 11. | 46. 2. 22. | Pytchley sunshine roof, 1 spare wheel. (No cases.) PRODUCTION. Kruse. | Barker Sports 2 door Coupe. | 37. 1. 11. | 10. 1. 17. | 47. 3. 0. | Harris. | Lancefield. | 37. 1. 11. | 10. 2. 17. | 48. 0. 0. | PRODUCTION. 25HP. Barker Trials. | Sedanca de Ville. | 24. 3. 8. | 11. 2. 20. | 36. 2. 0. | EXPERIMENTAL. 18-G-4. | P.W. enclosed limousine - 6 seater. | 24. 3. 8. | 10. 1. 20. | 35. 1. 0. | 14-G-4. | Hooper Sedanca de Ville. | 24. 3. 8. | 8. 3. 5. | 33. 2. 13. | | ||
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).