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).
Sketch detailing the scheme, number of turns, and conductor size for a Phantom starter motor.
| Identifier | ExFiles\Box 64\2\ scan0020 | |
| Date | 5th January 1927 | |
| To R.{Sir Henry Royce} from AJS. c. to BJ. EFC. X625 AJS1/M6.1.27. PHANTOM STARTER MOTOR. Below we give a sketch indicating the scheme which seems to work in best. Please note the number of main field turns, and size of conductors, also position of terminals. Teazer coils as before. AJS. MAIN FIELD - 3 turns 3 1/2 turns 3 1/2 turns 3 1/2 turns Main field section MAIN .200" SQ. WMII .040" RAD ON CORNERS TEAZER Switch terminal (TOP) BRUSH ENDS (BOTTOM) VIEW LOOKING INSIDE CARCASE IN A RADIALLY OUTWARD DIRECTION (developed) This comes here to brush connector. Switch terminal Looking on brush end. Lead passes thro here from contact switch to this terminal. Teazer forward main current rear. Small amount of horizontal web removed here. & ENGINE FOOT PLAN VIEW. Switch terminal STR. MTR. Terminals Teazer Main. 5.1.27. | ||