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).
Report page discussing eddy currents in an armature core, with a diagram showing slot dimensions.
| Identifier | ExFiles\Box 34\2\ Scan056 | |
| Date | 17th October 1922 | |
| Contd. -3- EFC1/T17.10.22. From the above it will be seen that the proportionality is not very good. This must be accounted for by the generation of eddy currents in the armature core. EFC. .225" .155" Slot dimensions | ||