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).
Polar plot diagram showing the inertia loadings on a big end bearing at 4500 RPM.
| Identifier | ExFiles\Box 115\1\ scan0350 | |
| Date | 23th April 1937 | |
| RM{William Robotham - Chief Engineer} I / AP 23.4.37 BEARING LOADS IN BABBIT SHOULD NOT EXCEED 1500 - 1800 LBS./□." ANGULAR POSN OF CRANK FROM T.D.C. MASTER ROD BEARING MAX: LOAD 2460 lb/□" BLADE ROD BEARING MAX: LOAD 2460 lb/□" INERTIA LOADINGS ONLY AT 4500 R.P.M. PH III. BIG END LOADINGS. R.M. 376. B.D.C. ROD CAP T.D.C. 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 LBS/SQ. IN. | ||