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 at various temperatures.
| Identifier | ExFiles\Box 144\1\ scan0065 | |
| Date | 11th August 1920 | |
| 2.EX. CHASSIS. MOTOR STARTER TESTS WITH PRICES "C" OIL AND CASTROL OIL. TABLE: A.{Mr Adams} B. Prices' "C" OIL. CASTROL OIL. Atmospheric Temperature. Max: ) during night. 51ºF 51ºF 57ºF 52ºF 51ºF 39ºF Min: ) 34ºF 35ºF 32.5ºF 47ºF 43ºF 30ºF Time of test. 43ºF 37ºF 34ºF 50ºF 45ºF 34.5ºF 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 - 103 123 125 106 120 148 Engine revolutions. 60 50,45 40,40,50. 55 50 20,30,30 Footer: R R *35A (100 TYS H.{Arthur M. Hanbury - Head Complaints} 159. 11-8-20) G 2809 | ||