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).
List of electrical components and their specifications, including updates for Bentley models.
| Identifier | ExFiles\Box 168a\4\ img072 | |
| Date | 7th April 1938 guessed | |
| -2- SEC. 8020 - COMMUTATOR. LOP. D.55020. Production. SEC. 8030 - FRAME & FIELD WINDING. LOP. DB.{Donald Bastow - Suspensions}1768. New. Issued for Bentley 50. SEC. 8040 - STARTER DRIVE. LOP. DB.{Donald Bastow - Suspensions}1679. Use ex Bentley III. SEC. 8060 - STARTER SWITCH. LOP. DW.460. New. Issued for Bentley 50. (The latest experimental design - Simplified Brushgear to D.CD.157; Oilite Bush at commutator end and simplified core cheeks to RR.Sch.1073; Reduction Gear modified for easy broaching; Starter Switch to D.CD.123 mounted on motor; Standard Bearings in Reduction Gear; Simplified Drive to D.CD.270. SEC. 8050 - HORN SWITCH. LOP. DW.634. Use ex Bentley III. (Moulded Button and Rigid Contacts to D.CD.544. Suits standard Wraith Quadrant FW.427DC.). DYNAMO. SEC. 8070 - ARMATURE. ) SEC. 8080 - BEARING BRACKETS ETC. ) New. SEC. 8090 - COMMUTATOR. ) SEC. 8100 - FRAME AND FIELD WINDING. ) (Cradle mounted dynamo to D.CD.540 with 36 slot armature wound 2 turns per coil 19 SWG. wire, Bronze Brushgear, Standard Poles and Field Winding particulars, connections to suit Lucas regulator. The dynamo shaft is lengthened by .200 and the water pump drive shaft correspondingly shortened). -Contd- | ||