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 report on the performance of a green-lamp switch and dynamo for car 20EX.
| Identifier | ExFiles\Box 60\1\ Scan066 | |
| Date | 11th January 1929 | |
| RR 238 (150 BKS.) (DB{Donald Bastow - Suspensions} 461-8-12-24) MP 306975 X7660 1 ROLLS-ROYCE LTD. INSTRUCTIONS. To EFC Order No. PD 35 Customer's No. X7660 x 4040 Date Jan. 11th 1929 Green-Lamp Switch and Dynamo Tests. Some tests have recently been made on car 20EX, the objects being to check the performance of the green-lamp switch, and to try the effect on the output of the dynamo, of running the engine backwards. The tests were made with the car standing. Green-lamp switch. (SS{S. Smith}3) With the switch in a warm condition, the volts required to operate it, measured between terminal B on the distribution board and earth, were, First test. 16.95 volts. Second test. 17.00 " Signed Cont'd This Sheet must be filed on completion of the work. | ||