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 dynamo output in amps at various speeds under different electrical loads.
| Identifier | ExFiles\Box 71\4\ scan0178 | |
| Date | 30th April 1925 | |
| X 8940 hotel de france, Chateauroux. Indre. France. GWh.{George W. Hancock - Head Chateauroux}I/Crn.30.4.25. To: "HS{Lord Ernest Hives - Chair}" From: G.W.Hancock. ------------------ we have taken a chart of the output of dynamo, as follows :- No lights. battery ignition only. M.P.H. 20. 30. 40. 50. 60. 70. Amps. 14.5 13 10 8 5.5 4 All car lights on, also battery ignition. M.P.H. 20. 30. 40. 50. 60. Amps. 3.5 2.5 -1.5 -4.5 -4.5 G.W.Hancock. [Signature] | ||