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).
Parts list and specifications for the 'Goshawk II' starter motor frame and two field winding options.
| Identifier | ExFiles\Box 35\4\ scan 056 | |
| Date | 1st September 1921 | |
| R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X.4384. BY/WER2/EP{G. Eric Platford - Chief Quality Engineer}21. 9. 21. EXPERIMENTAL RECEIVED X. 4384 - "GOSHAWK" II - R.R. DESIGN OF STARTER MOTOR Frame and Field Winding. In connection with the above Unit please receive herewith one blue print of each of the following details, will TB. also receive one set. It is required that two complete Frame and Field Windings be made, one with 5 1/2 turns per coil and the other with 7 1/2 turns per coil, it will be found on test which is the better winding to use. Matl. No. off per Field Winding. D.{John DeLooze - Company Secretary} 50261 Terminal Stud. D/M 216 1 off. D.{John DeLooze - Company Secretary} 50262 Bush for Terminal Block B 215 1 " D.{John DeLooze - Company Secretary} 50263 Terminal Block Black Bakelite 1 " D.{John DeLooze - Company Secretary} 50264 Locking Disc for D.50263 S/M 201B 1 " D.{John DeLooze - Company Secretary} 50265 Screw for Locking Disc -do- 1 " D.{John DeLooze - Company Secretary} 50266 Washer for D.50261 B 215 1 " D.{John DeLooze - Company Secretary} 50267 Terminal Nut D/M 216 2 " D.{John DeLooze - Company Secretary} 50268 Cable Eye C. 1 " D.{John DeLooze - Company Secretary} 50269 Spring Washer for Terminal S/CS 1 " D.{John DeLooze - Company Secretary} 50271 Field Wire Terminal C. 1 " D.{John DeLooze - Company Secretary} 50272 Sq.Headed Bolt for Field Connection D/M 216 1 " D.{John DeLooze - Company Secretary} 50274 Stud Securing End Bracket S/N 206 8 " D.{John DeLooze - Company Secretary} 50254 Magnet Case For Starter Motor. S/D 2031B 1 " The following Stock Parts will also be required:- K.{Mr Kilner} 4305 3 B.A. Lock Nut Brass. 1 off K.{Mr Kilner} 9005 Lock Washer S/CS 1 " The above details are common to each Frame and Field Winding. Frame and Field Winding with 5 1/2 Turns per Coil D.{John DeLooze - Company Secretary} 50270 Joining Strip Tinned Copper Foil. 3 off D.{John DeLooze - Company Secretary} 50273 Field Winding - - D.{John DeLooze - Company Secretary} 50317 Wire for Field Winding - - Frame and Field Winding with 7 1/2 Turns per Coil D.{John DeLooze - Company Secretary} 50096 Joining Strip Tinned Copper Foil. 3 off (Con. | ||