Modifications to the Wraith III Dynamo to suit the LR.7 Regulator.
| Identifier | ExFiles\Box 168a\3\ img413 | |
| Date | 7th July 1937 | |
| 6142 c. Rm {William Robotham - Chief Engineer} /Wst. BY {R.W. Bailey - Chief Engineer} /RD.1/B.7.7.37. WRAITH III. Dynamo - RR.Sch.1101 - Modifications to suit LR. {Mr Ellor} 7 Regulator. Under cover of alteration 1506/Dss we send you herewith blueprints of the following new parts :- Sec.8080 - LOP. DW.250. DW.308 - Insulating Washer. 1 off. DW.309 - Insulation Piece. 1 off. DW.369 - Connection. 1 off. Sec.8100 - LOP. DW.252. DW.252 - Field Winding Arrangement. The other parts which have been added or had the quantities increased are standard pieces. In connection with this other details have been altered under 5098/D, already issued. BY {R.W. Bailey - Chief Engineer} /RD. | ||
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).