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).
Table comparing maximum pinion tooth stresses and load per inch face for various axle configurations.
| Identifier | ExFiles\Box 84\4\ scan0405 | |
| Date | 4th October 1938 | |
| -2- Da{Bernard Day - Chassis Design}/Hb.{C. E. Harcombe}1/N.4.10.38 Cont'd.{John DeLooze - Company Secretary} The appended table gives figures for maximum pinion tooth stresses on direct drive, and for load per inch face. The figures for the 1.5" offset Half Floating axle and the Phan.III are given for comparison. | | Std Bent. | Proposed Ben. | | | Ben 1/2Fl. | Phan.III | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Offset. | .650 | .650 | .650 | .650 | 1.500 | .850 | | Combination. | 10/43 | 10/46 | 9/42 | 8/37 | 8/37 | 8/34 | | Ratio. | 4.3 | 4.6 | 4.66 | 4.625 | 4.625 | 4.25 | | Max.Pinion stress direct drive lb/sq". | 26700 | 28800 | 25400 | 21600 | 12700 | 15100 | | Load/inch face on gear teeth lb. | 2050 | 2190 | 2225 | 2200 | 2090 | 2070 | Handwritten notes: 8cyl 3 1/2 x 4 1/2 3200 Amins G50 .650 1.5" 1.5" Da{Bernard Day - Chassis Design}/HB.{C. E. Harcombe} 10/42 8/34 10/42 8/34 25300 25300 26800 14400 2680 2690 2130 2580 | ||