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).
Output and performance characteristics of a machine, with comparisons to specified outputs and another generator.
| Identifier | WestWitteringFiles\L\2Jan1924-March1924\ Scan73 | |
| Date | 13th March 1924 | |
| Contd. -5- EFC1/T13.3.24. Further to this there is a sheet of curves dealing with the controlled ampere output/speed characteristics of this machine, upon which are shown:- (1) The specified output (which it is desired should be exceeded at a running temperature less than 75°C on the bench). (2) The actual output of the machine corresponding to this specification, this being at 73°C. (3) The engine hot output (83°C) curve, with the same control brush setting. (4) The engine hot output with the approximate ignition current deducted for all speeds. This is supposed to represent the net output in running conditions on the chassis. These curves are in accordance with the statements contained in our EFC2/T3.3.24. They may readily be compared with similar curves given on the other sheet, on a common basis of comparison, represented by the curve of specified output. It is considered that the output characteristics of this machine will very satisfactorily meet the demands on the chassis under working conditions, prolonging the life of the battery and being generally very much more suited to the extremes of conditions than the present Lucas E.575 generator. Further machines are expected shortly (built on a production basis and with similar Ubas steel pole forgings) from which the above output characteristics may be confirmed. Also a report on commutation and noisiness of this machine will follow shortly. Contd. | ||