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).
The performance of electrical parts, specifically C.M.3. starter motor brushes, after a 10,000-mile test run on an experimental car.
| Identifier | ExFiles\Box 35\1\ scan 064 | |
| Date | 20th April 1920 | |
| X.2656. Extract from Hs{Lord Ernest Hives - Chair}6/LG20.4.20. X.3647a. ELECTRICLA PARTS RUN 10,000 MILES X.3743. on 2.EX CAR. X.2656 2. C.M.3. Brushes on Starter Motor. The Starter Motor X.3082. equipment did not give any trouble during the whole of the run. The Commutator and brushes appeared to be in excellent condition. We recommend that the C.M.3. brushes are adopted as standard. The Starter Motor has not been lubricated during the run or touched in any way. | ||