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).
Blueprint detailing the wear on Bronze Yoke Bearings after 17,110 miles, including dimensional analysis.
| Identifier | ExFiles\Box 91\2\ scan0394 | |
| Date | 23th September 1937 guessed | |
| 32.EX. BRONZE YOKE BEARINGS. EX 26009 PINS S/ZNCR NO WEAR. EX 26007 BUSHES BZ/PC. WORN AS SHOWN BELOW. DRAWING SIZE OF BUSH 1.000 +1/2 DRAWING SIZE OF PIN .999 1/2 TABLE OF MEASUREMENTS: DIA 'A' DIA 'B' DIA 'C' N.S. 1.0035 1.002 1.005 CLEARANCE .0045 .003 .006 O.S. 1.003 1.0005 1.005 CLEARANCE .004 .0015 .006 O.S. BUSH .0015 OVAL. AFTER 17,110 MILES IN FRANCE WEAR DUE TO EXCESSIVE END-PLAY IN TOP YOKE BEARINGS CAUSED BY INCORRECT ASSEMBLY EXI.222. | ||