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).
Specifications and part numbers for a modified S.S. Dynamo installation on chassis L.C.2501.
| Identifier | ExFiles\Box 60\1\ Scan039 | |
| Date | 30th May 1928 | |
| X7660 C. EFC. BY/RD7/ML.30.5.28. S.S. DYNAMO - L.C.2501. SECTIONS 8070, 80, 90 & 8100. The dynamo for this chassis is placed on the near side of engine, turned through 45° to accomodate the dowel and runs in the reverse direction as compared with the standard Phantom. This necessitates putting the oil drain slots in new positions and reversing the terminals. We send you herewith blueprints of the new pieces which can be produced from standard parts. We are starting the machine off with a standard Phantom armature for test. SEC:8070 - Armature:- D.71050. Standard. --- SEC:8080 - Bearing Brackets:- D.71613 - L.O.P. D.71539 - DC-Bearing Bracket C.E. (Can be made from D.71250.DC). D.71537 - DC- " " P.E. (Can be made from D.70215.DC). D.71612 - End Cover - made from D.70562. Other parts standard. --- SEC:8090 - Commutator:- D.70445. Standard. --- SEC:8100 - Field Winding:- D.71615 - L.O.P. D.71538 - Magnet Case. D.71614 - Winding Diagram. D.71615 - Field Winding Arrgt. Other parts standard. --- BY/RD. | ||