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).
Summary log detailing tests performed on rear springs since January 1931.
| Identifier | ExFiles\Box 17\1\ Scan027 | |
| Date | 24th April 1931 | |
| 107 40/50 P.II 17410. SUMMARY OF REAR SPRINGS TESTED SINCE JAN 1931 TABLE DATA: Column Headers: No, LOADED lbs, TYPE lbs, MAKE, MATERIAL, LOADED LENGTH, LOADED CAMBER, INITIAL CAMBER AFTER TEST, SERIAL NUMBER, PIECE NUMBER, DRAW-ING NUMBER, POSITION ON CHASSIS, TOTAL TIME RUN HRS MIN, POSITION OF BREAK, DATE FITTED, REMARKS Row 1: - No: 1 - LOADED lbs: 1344 - TYPE lbs: 1350 - MAKE: FIRTHS - MATERIAL: S.M. - LOADED LENGTH: 66" - LOADED CAMBER: FLAT - INITIAL CAMBER AFTER TEST: 9.2 - SERIAL NUMBER: - - PIECE NUMBER: F79449 - DRAW-ING NUMBER: F79439 - POSITION ON CHASSIS: N.S. - TOTAL TIME RUN HRS MIN: 7 00 - POSITION OF BREAK: - - DATE FITTED: 17.12.31 - REMARKS: NOT BROKEN TAKEN OFF. R.M. NOT INTERESTED FURTHER IN THESE SPRINGS Row 2: - No: 2 - LOADED lbs: 1368 - TYPE lbs: 1350 - MAKE: FIRTHS - MATERIAL: S.M. - LOADED LENGTH: 66" - LOADED CAMBER: FLAT - INITIAL CAMBER AFTER TEST: 9.2 - SERIAL NUMBER: - - PIECE NUMBER: F79449 - DRAW-ING NUMBER: F79439 - POSITION ON CHASSIS: O.S. - TOTAL TIME RUN HRS MIN: 7 00 - POSITION OF BREAK: - - DATE FITTED: 17.12.31 - REMARKS: NOT BROKEN TAKEN OFF. R.M. NOT INTERESTED FURTHER IN THESE SPRINGS Row 3: - No: 3 - LOADED lbs: 1390 - TYPE lbs: 1350 - MAKE: FIRTHS - MATERIAL: S.M. - LOADED LENGTH: 66" - LOADED CAMBER: FLAT - INITIAL CAMBER AFTER TEST: 10.25" - SERIAL NUMBER: K571 - PIECE NUMBER: F83328 - DRAW-ING NUMBER: F83322 - POSITION ON CHASSIS: O S - TOTAL TIME RUN HRS MIN: [blank] - POSITION OF BREAK: [blank] - DATE FITTED: 24.4.31 - REMARKS: NOW BEING BUMPED Row 4: - No: 4 - LOADED lbs: 1385 - TYPE lbs: 1350 - MAKE: FIRTHS - MATERIAL: S.M. - LOADED LENGTH: 66" - LOADED CAMBER: FLAT - INITIAL CAMBER AFTER TEST: 10 3/16 - SERIAL NUMBER: K557 - PIECE NUMBER: F83329 - DRAW-ING NUMBER: F83322 - POSITION ON CHASSIS: N S - TOTAL TIME RUN HRS MIN: [blank] - POSITION OF BREAK: [blank] - DATE FITTED: 24.4.31 - REMARKS: NOW BEING BUMPED | ||