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).
Condition report of Ph III S II Chassis axle tubes after a 10,000-mile test in France.
| Identifier | ExFiles\Box 91\3\ scan0258 | |
| Date | 4th January 1936 | |
| PH III S II CHASSIS CONDITION OF AXLE TUBES AFTER 10000 MILES TEST IN FRANCE AXLE TUBES G 83810-11. MATL - S/N. PROCEDURE FOR CHECKING ALIGNMENT. A MANDRIL WAS FITTED INSIDE THE AXLE TUBES, AND THIS ASSEMBLY WAS MOUNTED AND SPUN IN A LATHE. CLOCK READINGS WERE TAKEN AT VARIOUS POINTS ON THE AXLE TUBES THE MAX ECCENTRICITY SHOWN AS FOLLOWS. RESULT OFF SIDE MAX: ECCENTRICITY .250 THIS FLANGE PERFECTLY FLAT AND SQUARE WITH BORE NEAR SIDE MAX ECCENTRICITY - .025 THIS FLANGE PERFECTLY FLAT BUT NOT SQUARE WITH BORE. ECCENTRICITY ON LARGEST DIA - .025. | ||