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).
Dynamo output readings in amps at various speeds with the lamps on and off.
| Identifier | ExFiles\Box 5a\3\ 03-page110 | |
| Date | 18th November 1931 | |
| Mr West Please discuss with me Dan X5840. 18.G.IV. 18.11.31. DYNAMO OUTPUT. Lamps On. Cut In at 14 M.P.H. 70 M.P.H. 7 amps discharge. 60 M.P.H. 6.5 " " 50 M.P.H. 5 " " 40 M.P.H. 4 " " 30 M.P.H. 4 " " 20 M.P.H. 5.5 " " Lamps Off. Cut In at 18 M.P.H. ---------- 70 M.P.H. 5 amps charge. 60 M.P.H. 6.5 " " 50 M.P.H. 6.5 " " 40 M.P.H. 7 " " 30 M.P.H. 5.5 " " 20 M.P.H. 0 ---------- GHHancock. | ||