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).
Table of volt drop readings at different operational cycles and amperage levels.
| Identifier | ExFiles\Box 168a\2\ img395 | |
| Date | 20th September 1938 | |
| -2- Rm{William Robotham - Chief Engineer}/WC.4/JH.20.9.38. Volt Drop Readings. No operations. at 5 amps. at 10 amps. min max. min. max. start. .010 - .018 volts .022 - .030 volts. 10,000 .015 - .018 " .030 - .032 " 20,000 .030 - .064 " .042 - .048 " 30,000 .042 - .142 " .100 - .113 " 40,000 .098 - .125 " .090 - .230 " 60,000 .250 - .380 " .280 - .560 " *************** Rm{William Robotham - Chief Engineer}/RC.{R. Childs} | ||