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).
Tensile test results for fully heat-treated stampings of bearing caps and a diesel engine connecting rod.
| Identifier | ExFiles\Box 116\2\ scan0133 | |
| Date | 22th December 1939 guessed | |
| Figure 1. TENSILE TEST PIECES TAKEN FROM ACTUAL STAMPINGS. FULLY HEAT TREATED. BEARING CAP. Figure 1. Position Ult. Stress Tons per sq. in. Elongn. % Brinell Hard-ness 1. 27.75 16.0 138 2. 27.0 10.0 129 3. 27.0 15.0 134 4. 28.0 16.0 138 Figure 2. BEARING CAP. Figure 2. Position 1. 27.5 10.0 134 2. 27.0 13.0 134 3. 27.5 10.0 134 4. 27.5 12.0 138 DIESEL ENGINE CONNECTING ROD. Figure 3. Figure 3. Position 1. 27.0 10.0 134 2. 27.0 10.0 129 3. 26.9 12.5 134 4. 27.3 15.0 129 5. 27.2 12.0 129 6. 27.1 12.5 134 | ||