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).
Investigation report detailing the breakdown and faulty mechanical construction of two electrical coils.
| Identifier | ExFiles\Box 69\1\ scan0265 | |
| Date | 8th December 1924 | |
| RR 238 (150 BKS.) (OB 461-8-12-24) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. (2) To__________________________19__ Order No. WD{Mr Wood/Mr Whitehead}97 (contd) Customer's No.____________ Coil No. B-6-C. Break down found at the end of 2ND layer. Break down was directly over the joint in the primary to secondary windings. Coil NO. WH65. Break down found at end of 2ND layer. At this point the wire was badly distorted and the winding had actually crossed over itself on the same layer. The whole of the secondary was badly wound. From this evidence it will be seen that the faults appear to have been due to the faulty mechanical construction of the windings particularly in the case of Signed (contd) This Sheet must be filed on completion of the work. | ||