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).
Report upon the sinkage of main bearings and alterations of liners.
| Identifier | ExFiles\Box 146\2\ scan0119 | |
| Date | 16th February 1937 | |
| DATE: 16-2-37 MAIN BEARINGS REPORT UPON SINKAGE OF BEARINGS AND ALTERATIONS OF LINERS CHASSIS n): B.244.GA OWNER: Mr Boucheron JOB N°.: 36107 MILEAGE: 16-107 KMS. 'A' joint faces upper half. MAIN BEARINGS 'B' joint faces lower half. TABLE DATA Column Headers: 1, 2, 3, 4, 5, 6, 7 Row: Amount of sinkage of: A.{Mr Adams} upper half. Values: .004", .003, .003, .003, .004, .003, .005 Row: Amount of sinkage of B. lower half Values: .002, .003, .002, .004, .002, .004, .003 Row: TYPE OF LINER Value: Steel back Hall's Metal facings Row: Original thickness of liner Value: — Row: Fitted RR. 56 liners Value: NO. We were unable to fit RR-56 liners to the Mains owing to not having received from Arras the necessary material. Upon examination & measuring the set of RR56 liners for the big-ends which we have in stock we found that they were not thick enough. Row: Amount of step left on upper face of liner Values: .004, .003, .002, .004, .002, .004, .003 Row: Thickness of liner not including STEP Values: .096, .097, .096, .095, .096, .097, .095 Row: Amount machined off lower cap faces Values: C. .002, .003, .002, .004, .002, .004, .003. FINAL BEARING CLEARANCE. From .0025 to .003" Initials: VA | ||