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).
Performance chart showing corrected Brake Horsepower curves against Engine RPM for chassis 30 G VII.
| Identifier | ExFiles\Box 109\4\ scan0099 | |
| Date | 27th June 1939 guessed | |
| SHEET 2 CHASSIS 30 G VII ENGINE UNIT B 80 N° 1 AXLE RATIO 9.37 CURVES A, B, C, D CORRECTED FOR TYRE LOSS, DYNO LOSS & TRANSMISSION LOSS I.E. CURVES APPROXIMATE CLOSELY TO CLUTCH H.P. CURVES B.H.P. CORR. TO 50°C AIR ENGINE R.P.M. APPROX M.P.H. IN DIRECT GEAR USING 7.50 x 16 TYRES | ||