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).
Diagrams illustrating fretting on two types of rear axle couplings after a 330-hour endurance test.
| Identifier | ExFiles\Box 111\4\ scan0082 | |
| Date | 31th October 1938 guessed | |
| REAR AXLE COUPLING TESTS DIAGRAMS ILLUSTRATING FRETTING AFTER 330 HR ENDURANCE TEST RR TYPE ENLARGED VIEW OF BURR CAUSED BY THE WASHER AT SMALL END OF RR COUPLING COUPLING TEST PIECE BL 505 S/M COUPLING TEST SHAFT BL 506 3/ZN FIG I BARBER COLMAN TYPE ENLARGED VIEW SHOWING IMPRESSION DUE TO ENGAGING SPLINE FRETTING (DUE TO BENDING) FIG II COUPLING TEST PIECE BL 504 S/M COUPLING TEST SHAFT BL 507 3/ZN BURRING AT END DUE TO WASHER TORSION SHAFT BL 508 S/ZN BL2218 R A L | ||