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).
Test report detailing crankshaft, connecting rod, and main bearing clearances before and after a 10,000-mile test.
| Identifier | ExFiles\Box 5a\4\ 04-page161 | |
| Date | 26th October 1934 | |
| UNIT C14 CRANKSHAFT, CONN-ROD BEARINGS AND MAIN BEARING CLEARANCES PRIOR TO AND AFTER 10000 MILES TEST CONN ROD BEARINGS IN RR E/L MAIN BEARINGS IN RR W/MT TEST COMMENCED TEST FINISHED Table Data: Column Headers: No, TEST, JOURNAL DIA, MAIN BRG DIA, CLEARANCE, CRANKPIN DIA, CONN ROD BRG DIA, CLEARANCE Row 1: No=1, TEST=PRIOR, JOURNAL DIA=2.2456, MAIN BRG DIA=2.2487, CLEARANCE=.0026, CRANKPIN DIA=1.9981, CONN ROD BRG DIA=2.0014, CLEARANCE=.0033 Row 2: No=1, TEST=AFTER Row 3: No=1, TEST=WEAR Row 4: No=2, TEST=PRIOR, JOURNAL DIA=2.2455, MAIN BRG DIA=2.2481, CLEARANCE=.0026, CRANKPIN DIA=1.9981, CONN ROD BRG DIA=2.0014, CLEARANCE=.0033 Row 5: No=2, TEST=AFTER Row 6: No=2, TEST=WEAR Row 7: No=3, TEST=PRIOR, JOURNAL DIA=2.2456, MAIN BRG DIA=2.2481, CLEARANCE=.0025, CRANKPIN DIA=1.9983, CONN ROD BRG DIA=2.0016, CLEARANCE=.0033 Row 8: No=3, TEST=AFTER Row 9: No=3, TEST=WEAR Row 10: No=4, TEST=PRIOR, JOURNAL DIA=2.2451, MAIN BRG DIA=2.2478, CLEARANCE=.0027, CRANKPIN DIA=1.9982, CONN ROD BRG DIA=2.0016, CLEARANCE=.0034 Row 11: No=4, TEST=AFTER Row 12: No=4, TEST=WEAR Row 13: No=5, TEST=PRIOR, JOURNAL DIA=2.2452, MAIN BRG DIA=2.2479, CLEARANCE=.0026, CRANKPIN DIA=1.9986, CONN ROD BRG DIA=2.0017, CLEARANCE=.0031 Row 14: No=5, TEST=AFTER Row 15: No=5, TEST=WEAR Row 16: No=6, TEST=PRIOR, JOURNAL DIA=2.2452, MAIN BRG DIA=2.2478, CLEARANCE=.0026, CRANKPIN DIA=1.9984, CONN ROD BRG DIA=2.0016, CLEARANCE=.0032 Row 17: No=6, TEST=AFTER Row 18: No=6, TEST=WEAR Row 19: No=7, TEST=PRIOR, JOURNAL DIA=2.2451, MAIN BRG DIA=2.2479, CLEARANCE=.0028 Row 20: No=7, TEST=AFTER Row 21: No=7, TEST=WEAR Footer Row: DRAWING CLEARANCE, .0025, .003 | ||