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).
Test results for minimum conductance to restrict dynamo voltage under cold and hot conditions.
| Identifier | ExFiles\Box 51\1\ Scan416 | |
| Date | 29th June 1920 | |
| 1RR 252 (150 BKS.) (SH57. 29-6-20.) MP 224356 ROLLS-ROYCE LTD. INSTRUCTIONS. To_________________19 Order No.____________ Customer's No. 2 Test 2. Minimum conductance to restrict dynamo voltage to 16.0. This was found to be .845 mho the main amperes being 13.5. The value previously found and reported in AC 43, was .813 mho for the cold condition. In each case above the machine was cold in order to produce the extreme conditions required. For hot condition minimum conductance was found to be .655 mho. Signed A.H. This Sheet must be filed on completion of the work. | ||