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).
Extract from conference minutes regarding the 20/25 Dynamo position.
| Identifier | ExFiles\Box 62\3\ scan0289 | |
| Date | 31th May 1932 | |
| X6005 EXTRACT FROM MINUTES OF CONFERENCE AT DERBY May 31st, 1932. X6092 20/25 Dynamo Position. Hs.{Lord Ernest Hives - Chair} reported that the modified armature was on test and By.{R.W. Bailey - Chief Engineer} said that the cutting in speed was lower but that the charger tailed off too quickly. A modification is being put in hand to correct this. E.{Mr Elliott - Chief Engineer} reported that a design was being prepared to allow of P.II dynamo being fitted to 20/25 engine. He said that considerable alteration was necessary. It was decided to go on with the work. Hs.{Lord Ernest Hives - Chair} reported that the voltage control system was being tried out and that C.A.V. and scintilla units had run about 6000 miles each. | ||