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).
Chassis 12-EX after a 6000-mile test, noting performance of the dynamo, starter motor, and actuator box.
| Identifier | ExFiles\Box 64\3\ scan0156 | |
| Date | 19th August 1926 | |
| X7650 Extract from GWH{George W. Hancock - Head Chateauroux}1/HP19.8.26. REPORT ON CHASSIS 12-EX. EAC.VIII. AFTER 6000 MILES. X.7940. Dynamo. X.8671. Dynamo J.{Mr Johnson W.M.} Bearing bracket and brush holders fitted with narrower brush gear in accordance with EY/RD21/ML14.8.25. The outputs of the dynamo has been satisfactory. The brushes have become noisy during the run and can be heard when running slow. Examination of brush gear and commutator found them to be free from dust and clean; the brushes have remained free in their sockets. Starter Motor. X.8620. This has functioned O.K. during the test, condition of brush gear and commutator when examined were found clean. Actuator Box. X.7650. xxxxxxxxxxxxxxxxxxxxxxxxxxx Lubrication of actuator box to Lec.2256. The actuator box has given no trouble whatsoever. | ||