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).
Electrical specification for the 6-B-IV - B-19 unit.
| Identifier | ExFiles\Box 83\1\ scan0098 | |
| Date | 23th January 1936 | |
| Hs{Lord Ernest Hives - Chair}/Std.15/KW.23.1.36. ELECTRICAL SPECIFICATION FOR 6-B-IV - B-19 UNIT. Instrument Board. Complete to standard L.O.P. Battery & Fittings. New type of battery of lightened construction, Dagenite CHZD9 - S. Otherwise to standard L.O.P. Wiring & Fittings. Complete to standard L.O.P. DB.{Donald Bastow - Suspensions}264 except for modifications instructed under BY/RD.3/W.17.1.36 - D.75014 - Distn. Board B to Regulator B Conductor DB.{Donald Bastow - Suspensions}1167 - Wiring diagram. Starter Motor. Complete to standard L.O.P. Starter Motor Drive. Complete to standard L.O.P. except that pinion push is to be modified to EL.267. Starter Switch. Complete to standard L.O.P. Dynamo. 20/25 type fan ventilated dynamo to R.R.Sch.805, with commutator end bearing bracket modified to accommodate Bentley Tachometer drive LeC.4686. Gear ratio of Tachometer - 6 : 1; i.e., 1/4 engine revs. Dynamo Suspension. Complete to standard L.O.P. | ||