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).
Inspection and testing procedures for machine components, including armature and insulation.
| Identifier | ExFiles\Box 70\4\ scan0103 | |
| Date | 10th April 1929 guessed | |
| -4- Contd. (9) Examine also for rubbing armature, slack bearings, cracked insulation and final condition of commutator and brush surfaces, and see also that with the dynamo hot, the end cover can easily be removed and replaced. (10) The insulation of the machine should be tested whilst still hot by applying through a low c.p. 200 volt lamp an alternating voltage of 200 between the windings and the frame, when the lamp should show no sign of being lighted. EFC. | ||