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).
Details and parts list for the 'Goshawk' II Starter Motor Armature.
| Identifier | ExFiles\Box 35\4\ scan 060 | |
| Date | 1st September 1921 | |
| X4384 EXPERIMENTAL BY/WMP/ER?. 9. 21. RECEIVED X. 4384 "GOSHAWK" II - R.R. DESIGN OF STARTER MOTOR. ARMATURE. In connection with the above section please receive herewith one blue print of each of the following details, will TB. also receive one set. D.{John DeLooze - Company Secretary} 50094 Distance Washer. D.{John DeLooze - Company Secretary} 50247 Looking Washer. D.{John DeLooze - Company Secretary} 50248 Special Nut for Shaft. D.{John DeLooze - Company Secretary} 50249 Retaining Nut. D.{John DeLooze - Company Secretary} 50319 Distance Piece. D.{John DeLooze - Company Secretary} 50320 Oil Thrower. D.{John DeLooze - Company Secretary} 50321 Armature End Plate. D.{John DeLooze - Company Secretary} 50322 " " (Comm.End). D.{John DeLooze - Company Secretary} 50323 Sealing Ring. D.{John DeLooze - Company Secretary} 50324 Armature Shaft. D.{John DeLooze - Company Secretary} 50326 Armature Coil. D.{John DeLooze - Company Secretary} 50219 Winding Diagram. D.{John DeLooze - Company Secretary} 50113 Armature Assembly. D.{John DeLooze - Company Secretary} 50113 I.O.P. Blue prints of D.50212/3/4 and D.50286/7 all of which are quoted on the above I.O.P. have previously been issued to you. Regarding the Journal Ball Bearing 13 x 37 x 9 m/m called for on the above I.O.P., this is an odd size and not listed by any of the Makers, perhaps RHC.{R. H. Coverley - Production Engineer} will use one of the 12 x 37 x 9 m/m (Hoffmann's No. 4198) by boring out the Inner Race to 13 m/m.{Mr Moon / Mr Moore} RHO. will remember that Ball Bearing No. 4198 was ordered for use with the Bendix Drive suitable for the sample motors which have been made up by outside firms. Regarding D.{John DeLooze - Company Secretary} 50324 Armature Shaft we have shewn the knurling .031 pitch, if however, RHO. finds that knurling to some other size produces a better job, will he kindly let us know and we will alter the drawing accordingly. The following are the complete I.O.P.'s for the Starter Motor, please receive one blue print of each:- Armature D.50113. Commutator D.50285. Bearing Brackets, Brush Holders & Connections. D.50238. Frame and Field Winding(5 1/4 turns per coil) D.50273 Contd' R.R.(O.{Mr Oldham})LTD.'D' DEPT. B'HAM. 100 BKS (S.O.) 2883 S.O. 3008 | ||