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).
Data sheet recording preliminary bench test results for coil temperature by rise of resistance.
| Identifier | ExFiles\Box 45\4\ Scan165 | |
| Date | 5th June 1923 | |
| X. 4079 COIL TEMPERATURE BY RISE OF RESISTANCE. Preliminary bench results | 22407 reading (Live. on .15 amp. range). | 22407 milliamps. (using correction curve) | 22596 reading | 22596 millivolts. (100 divs = 50 mv) | 22596 Milli-Amps. (100 divs = 9.33ma) | Nett Milli-Amps. | Resistance. (Ohms) | Temp. (OC) | |---|---|---|---|---|---|---|---| | 41.30 | 42.58 | 79.4 | 39.7 | 7.41 | 35.17 | 1.129 | 19.0 | | 7.7 | 8.01 | 14.9 | 7.45 | 1.39 | 6.62 | 1.126 | 19.0 | | 41.3 | 42.58 | 88.0 | 44.0 | 8.21 | 34.37 | 1.280 | 50.0 | | 7.7 | 8.01 | 16.4 | 8.2 | 1.52 | 6.49 | 1.264 | 50.0 | | 41.3 | 42.58 | 94.9 | 47.45 | 8.95 | 33.63 | 1.410 ✓ | 80.0 | | 7.7 | 8.01 | 17.7 | 8.85 | 1.65 | 6.36 | 1.391 | 80.0 | 5.6.23. | ||