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 log of calculations for Test No. 25, continued.
| Identifier | ExFiles\Box 75\3\ scan0225 | |
| Date | 22th January 1925 guessed | |
| Test No. 25 Contd. (CALCULATIONS). [Column Headers] Extra on load Volts. Extra on load Amps. Armature resistance (ohms). Chassis Volts light. Back E.M.F. Power delivered Watts. Power delivered H.P. (M). % Slip. Engine speed. [Table Data] 1.94 | 3.06 | .634 | 1.37 | 85.18 | 261.0 | .349 .51 | 3.61 | .141 | 1.29 | 112.24 | 405.0 | .543 3.27 | 4.26 | .768 | 1.68 | 132.54 | 565.0 | .758 4.09 | 5.53 | .740 | 1.58 | 157.19 | 870.0 | 1.165 | ||