Polar diagram illustrating the inertia loadings on a PH III engine's big end bearing at 4500 RPM.
| Identifier | ExFiles\Box 91\1\ scan0503 | |
| Date | 16th May 1937 | |
| ANGULAR POSN OF CRANK FROM TDC BDC TDC ROD CAP lbs/SQ.IN SCALE: 600, 800, 1000, 1200, 1400, 1600, 1800, 2000, 2200, 2400, 2600 MASTER ROD BEARING: MAX. LOAD 2460 lb/sq' BLADE ROD BEARING: MAX. LOAD 2460 lb/sq' INERTIA LOADINGS ONLY AT 4500 RPM PH III BIG END LOADINGS ROLLS-ROYCE. LTD. DRG/N9-1 F W Smith 14.V.37 RM {William Robotham - Chief Engineer} 376 | ||
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).