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 order parts for a 5' Diameter, 36 Slot Dynamo Armature for Wraith, 25/30 HP, and Bentley models.
| Identifier | ExFiles\Box 168a\3\ img480 | |
| Date | 14th March 1938 | |
| 6142 BY/RD.8/B.14.3.38. 5" Dia. Dynamo : 36 Slot Armature. Wraith, 25/30 HP. & Bentley. Will you please put in hand 1 dynamo armature to LOP. DW.622, all parts of which may be obtained from production with the exception of the parts enumerated below, for which 3 sets should be ordered. DW.618 - Armature Stamping. 13 1/4 off. DW.619 - Armature Stamping. 2 off. DW.616 - Armature End Plate. 2 off. DW.617 - Winding Support. 2 off. DW.621 - Armature Winding Diagram. * D.75733 - Slot Lining. 36 off. Sec.8090 - Commutator. LOP. DW.615. DW.614 - Commutator Fixing Cone. 1 off. * D.76221 - Commutator Bar. 72 off. * D.76222 - Insulating Segment. 72 off. * Blueprints of these parts are already available and the remainder of the parts on the LOP. are obtainable from production. DW.615 - Armature Assembly. Please order 3 sets of material to make up 1 armature for the time being. The armature coil and armature assembly details will follow. Blueprints of the new pieces herewith to HPS.{Horace Percy Smith - Experimental Factory Mgr} 1 set of prints herewith to REC/CAN. BY/RB{R. Bowen} | ||