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).
Dynamometer test on a Packard car comparing an R-R carburetter with a Packard carburetter.
| Identifier | ExFiles\Box 127\1\ scan0078 | |
| Date | 6th March 1920 | |
| X435 6.3.20. H.S. PACKARD CAR. DYNAMOMETER TEST R-R Carburetter. Eng. revs. | Dyn. revs. | lbs. | HP. 500 | 84.375 | 126 | 14.245 750 | 126.56 | 125 | 21.198 1000 | 168.875 | 114 | 25.79 1250 | 210.937 | 104 | 29.39 1500 | 253.125 | 105 | 35.61 1750 | 295.312 | 100 | 39.51 2000 | 337.5 | 94 | 42.51 2250 | 379.6875 | 82 | 41.72 2500 | 421.875 | 66 | 35.3 Packard Carburetter. 500 | 84.375 750 | 126.56 1000 | 168.875 | 124 | 28.04 1250 | 210.937 | 126 | 34.614 1500 | 253.125 | 123 | 41.7 1750 | 295.312 2000 | 337.5 | 103 | 46. 2250 | 379.6875 | 95 | 48.23 2500 | 421.875 | 91 | 51.4 R R 235 A (100 T) (F & F) 846 6-8-19) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2460 | ||