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).
Appendix page showing a performance data table for the 'Continental' engine at various speeds.
| Identifier | ExFiles\Box 97\3\ scan0075 | |
| Date | 10th March 1939 | |
| -2- APPENDIX. Engine "Continental" - see Rm{William Robotham - Chief Engineer}/Swd.1/WH.10.3.39 and Rm{William Robotham - Chief Engineer}14/R.9.3.39. Hub H.P. deduced by taking measured losses due to three port exhaust pipe only, ( see Rm{William Robotham - Chief Engineer}5/R.9.4.38) and 94% efficiency for the transmission. 12 x 41 axle and overdrive - Road racing tyres 16 x 6.5 at 48 lb in2 pressure. MPH. H.P. Available tractive force. Wind Resistance in lbs. Tyre Resistance. in lbs. per ton. Rolling Resistance in lbs. Total Tr.{Capt. F. W. Turner - Finance} in lbs. 100 125.00 468 291 40 69.5 360.5 105 128.00 457 321 43.25 75.5 396.5 110 130.50 446 350 49.0 85.0 435.0 115 132.25 432 383 52.5 91.5 474.5 Projected area 24 sq.ft. Wgt. tested 1.74 tons. K = .00121 | ||