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).
Tabulated comparison of engine performance data for a Buick engine using different carburettors.
| Identifier | ExFiles\Box 124\3\ scan0011 | |
| Date | 1st May 1919 | |
| RE "BUICK" (CONTD). Headers: Eng. Revs., Dyn. Revs., Lbs., Wght., Carb., Wtr. Temp., HP., date. Test 1: Carb: Buick. Wtr. Temp: 75⁰ to 85⁰ Date: 1.5.19. HP sub-headers: 8.3, 8.7 Notes: (open exht) Eng. Revs | Dyn. Revs. | Lbs. | Wght. | HP (8.3) | HP (8.7) 500 | 88.8 | 65 | 69 | - | - 750 | 133.2 | 67 | 72 | 12.7 | 13.68 1000 | 177.6 | 69 | 75 | 17.3 | 18.9 1250 | 222 | 65 | 69 | 20.6 | 21.8 1500 | 266.4 | 64 | 70 | 24.3 | 26.6 1750 | 310.8 | 60 | 65 | 26.52 | 28.7 2000 | 355.2 | 48 | 55 | 23.3 | 27.8 Test 2: Carb: Buick 25% benzl. Wtr. Temp: 75⁰ to 85⁰ Date: 1.5.19. HP sub-header: 8.5 Eng. Revs | Dyn. Revs. | Lbs. | HP (8.5) 500 | 88.8 | 67 | - 750 | 133.2 | 69 | 13.1 1000 | 177.6 | 70 | 17.6 1250 | 222 | 63 | 19.9 1500 | 266.4 | 65 | 24.7 1750 | 310.8 | 60 | 26.5 2000 | 355.2 | 46 | 23.3 Test 3: Carb: R.R. Wtr. Temp: 75⁰ to 80⁰ Date: 1.5.19. HP sub-header: 9 Eng. Revs | Dyn. Revs. | Lbs. | HP (9) 500 | 88.8 | 70 | - 750 | 133.2 | 72 | 13.6 1000 | 177.6 | 67 | 16.8 1250 | 222 | 59 | 18.7 1500 | 266.4 | 60 | 22.8 1750 | 310.8 | 55 | 24.3 2000 | 355.2 | 47 | 23.8 | ||