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).
Reduced charge data for resistance inserted in the armature circuit.
| Identifier | ExFiles\Box 163\6\ img029 | |
| Date | 16th April 1930 | |
| X6016. 16.4.30. X.6016. REDUCED CHARGE DATA FOR RESISTANCE INSERTED IN ARMATURE CIRCUIT. Full output maximum watts = 18.74 x 17.2 = 322 watts Reduced output maximum watts = 17.9 x 13.0 = 232 watts. Resistance (in +ve brush lead) watts = 90 EFC. | ||