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).
Motor starter tests comparing performance with Prices' 'C' oil and Castrol oil.
| Identifier | ExFiles\Box 32\3\ Scan055 | |
| Date | 11th May 1940 | |
| 2. EX. CHASSIS. MOTOR STARTER TESTS WITH PRICES "C" OIL AND CASTROL OIL. Atmospheric Temperature. A.{Mr Adams} Prices' "C" OIL. B. CASTROL OIL. Max: } during night. 51°F 51°F 57°F 62°F 51°F 39°F Min: } 34°F 35°F 32.5°F 47°F 43°F 30°F Time of test. 43°F 37°F 34°F 50°F 45°F 34.5°F Voltage of batt. before Test. 12.8 13 12.8 12.9 12.5 12.1 " " " after Test. 12.5 12.7 12.5 12.7 12.2 10.10 " " " during " 10.5 10 10.3 10.5 10.5 8.2 Max: amps. for 1st. compression. 124 148 150 123 152 160 " " to turn engine - 103 1223 125 106 120 148 Engine revolutions. 60 50,45 40,40,50. 55 50 20,30,30 R R 284A (100 T) (S H 159, 11-5-40) G 1800 | ||