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).
Conversion table for engine displacement from cubic centimeters (cc.) to cubic inches (c.inches).
| Identifier | ExFiles\Box 77\5\ scan0138 | |
| Date | 26th April 1917 guessed | |
| (D) cc. c.inches. cc. c.inches 100 6.10 950 58.0 110 6.71 975 59.5 120 7.32 1000 61.0 130 7.93 1050 64.1 140 8.54 1100 67.1 150 9.15 1150 70.2 160 9.76 1200 73.2 170 10.37 1250 76.3 180 10.98 1300 79.3 190 11.59 1350 82.4 200 12.20 1400 85.4 210 12.82 1450 88.5 220 13.43 1500 91.5 230 14.04 1550 94.6 240 14.65 1600 97.6 250 15.26 1650 100.7 260 15.87 1700 103.7 270 16.48 1750 106.8 280 17.09 1800 109.8 290 17.70 1850 112.9 300 18.31 1900 115.9 320 19.53 1950 119.0 340 20.75 2000 122.1 360 21.97 2100 128.2 380 23.19 2200 134.3 400 24.41 2300 140.4 420 25.63 2400 146.5 440 26.85 2500 152.6 460 28.07 2600 158.8 480 29.29 2700 164.8 500 30.51 2800 171.0 525 32.04 2900 177.0 550 33.56 3000 183.1 557 35.1 3200 195.3 600 36.6 3400 207.5 625 38.1 3600 219.7 650 39.7 3800 231.9 675 41.2 4000 244.1 700 42.7 4200 256.3 725 44.2 4400 268.5 750 45.8 4600 280.7 775 47.3 4800 292.9 800 48.8 5000 305.1 825 50.3 5250 320.4 850 51.9 5500 335.6 875 53.4 5750 350.9 900 54.9 6000 366.1 925 56.4 6250 381.4 (Cont.d) | ||