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 failure analysis of a Dynamo TL.45 from chassis 37-DC, attributing it to insulation breakdown.
| Identifier | ExFiles\Box 70\3\ scan0336 | |
| Date | 14th December 1927 | |
| X8783do To BY.{R.W. Bailey - Chief Engineer} from EFC. c. Mr. Brock. EFC2/T14.12.27. DYNAMO TL.45 EX CHASSIS 37-DC. This is an early type of machine with a control brush angle of 120°, and we think that originally the solder was melted and thrown as a result of excessive output. It so happens that the particles of thrown solder together with the accumulated brush dust bridged the insulation of the brush holders, causing these insulations to break down. We return the machine to BY.{R.W. Bailey - Chief Engineer} EFC. | ||