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).
Modifications and parts list for the dynamo on the 25/29 HP Chassis.
| Identifier | ExFiles\Box 168a\3\ img259 | |
| Date | 13th December 1935 | |
| C. Hs{Lord Ernest Hives - Chair}/Wst. WST BY/RDL/W.13.12.35. SLM 2 25/29 H.P.Chassis. DYNAMO.R.R.SCH.888. The dynamo for the above chassis is to be identical with the Bentley dynamo except that there will be no rev. counter drive at the commutator end. Particulars have been issued to you previously in conjunction with Bentley chassis, and the modifications called for on R.R.Scheme 888 are issued herewith :- Sec.8070. Dynamo Armature. D.54763. L.O.P.Armature. D.54763. Armature Assembly. D.54762. Armature Shaft. 1 off. Sec.8080. Bearing Brackets.etc. D.54768. L.O.P.Bearing Brackets. D.54767. Cover Plate. 1 off. Blue prints of these new details and L.O.P.s are attached hereto. Please instruct as required. The parts required to complete the dynamo, blue prints of which have previously been issued to you and which cannot be obtained from production, are :- Sec.8070. Armature. DB.{Donald Bastow - Suspensions}1091. Fan. 1 off. DB.{Donald Bastow - Suspensions}1096. Coupling. 1 off. Sec.8080. Bearing Brackets,etc. D.54542. Frame. 1 off. D.54543. Gauze. 2 off. D.54544. Gauze. 1 off. D.54594. Bearing Bracket,P.E. 1 off. D.54595. Cover. 1 off. D.54597. Stud. 1 off. DB.{Donald Bastow - Suspensions}1088. Cover. 1 off. Sec.8100. Frame and Field Wdg. D.54598. Magnet Case. 1 off. Summing up, therefore, the dynamo consists of the following L.O.P.s :- (Contd:- | ||