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).
Request to prepare simple drawings for various dynamo and motor armature slots.
| Identifier | ExFiles\Box 68\4\ scan0233 | |
| Date | 22th May 1925 | |
| X1640 To BY/RD. from EFC. EFC1/T22.5.25. RE DYNAMO AND MOTOR ARMATURE SLOTS Would you kindly have prepared for this Dept. two simple drawings, one for dynamos and one for motors, showing one armature tooth and two armature slots (one filled) for, in the dynamo case, each of the following:- (a) 20 HP. dynamo. 29 slots. (b) " Expl. 19 slots. (c) EAC. dynamo. 39 slots. and in the motor case (1) 40/50 motor. 45 slots. (2) 20 HP. " 29 slots. (3) EAC. motor. 41 slots. These would replace the armature assembly drawings and would be more convenient for our purpose. Scale 10 to 1. EFC. | ||