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).
Blueprint diagram illustrating the bending moment on a motion shaft due to flywheel tilt.
| Identifier | ExFiles\Box 137\4\ scan0158 | |
| Date | 8th January 1931 guessed | |
| IF THE FLYWHEEL TILTS AXIALLY TO THE 1ST MOTION SHAFT WILL BEND DUE TO A SAGGING BENDING MOMENT THE END COUPLES BEING PROVIDED BY THE BALL RACES FLYWHEEL 25 HP | ||