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).
Distortion test results for a Phantom III forked connecting rod and bearing under a 5000lb load.
| Identifier | ExFiles\Box 93\1\ scan0124 | |
| Date | 3rd December 1936 | |
| PH III FORKED CONNECTING ROD EX 21235 'DISTORTION TEST' LOAD APPLIED 5000lb BEARING EX 22402/3 ROD B/END SIZE ON TEST BAR. | | A to A | B to B | C to C | E to E | D to D | F to F | |---|---|---|---|---|---|---| | BEFORE LOADING | 2.5015 | 2.4998 | 2.4968 | 2.5012 | 2.5007 | 2.4994 | | AFTER LOADING | 2.5018 | 2.4995 | 2.4968 | 2.5025 | 2.4985 | 2.4975 | | DISTORTION | +.0003 | -.0003 | -.0012 | +.0013 | -.0022 | -.0019 | .0025" DIAMETRICAL CLEARANCE ON TEST BAR. | | A to A | B to B | C to C | E to E | D to D | F to F | |---|---|---|---|---|---|---| | BEFORE LOADING | 2.5018 | 2.4995 | 2.4968 | 2.5025 | 2.4985 | 2.4975 | | AFTER LOADING | 2.503 | 2.4972 | 2.4985 | 2.4992 | 2.5018 | 2.499 | | DISTORTION | +.0012 | -.0023 | +.0017 | -.0033 | +.0033 | +.0015 | .0025" DIAMETRICAL CLEARANCE BEARING IN POSITION | | A to A | B to B | C to C | E to E | D to D | F to F | |---|---|---|---|---|---|---| | BEFORE LOADING | 2.1257 | 2.1244 | 2.124 | 2.1249 | 2.1243 | 2.1239 | | AFTER LOADING | 2.124 | 2.1241 | 2.1241 | 2.125 | 2.1241 | 2.1242 | | DISTORTION | -.0017 | -.0003 | +.0001 | +.0001 | -.0002 | +.0003 | Diagram annotations: DOTTED LINE SHOWING BEARING IN POSITION JOINT IN BEARING | ||