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 of front springs tested since January 1931 for the 40/50 PII model.
| Identifier | ExFiles\Box 17\1\ Scan028 | |
| Date | 24th April 1931 | |
| 87410 102 SUMMARY OF FRONT SPRINGS TESTED SINCE JAN 1931 40/50 PII TABLE DATA: COLUMN HEADERS: No., TYPE, LOADED lbs, MAKE, MATERIAL, LOADED LENGTH, LOADED CAMBER, INITIAL CAMBER AFTER TEST, SERIAL NUMBER, PIECE NUMBER, DRAWING NUMBER, POSITION ON CHASSIS, TOTAL TIME RUN HRS MN, POSITION OF BREAK, REMARKS ROW 1: No.: 1 TYPE: 1100 LOADED lbs: 1104 MAKE: FIRTH'S MATERIAL: S.M. LOADED LENGTH: 45" LOADED CAMBER: FLAT INITIAL CAMBER AFTER TEST: 4.125" SERIAL NUMBER: J4924 PIECE NUMBER: F78797 DRAWING NUMBER: F78792 POSITION ON CHASSIS: O.S TOTAL TIME RUN: 28 00 POSITION OF BREAK: - REMARKS: TAKEN OFF NOT BROKEN TO ALLOW THE FITTING OF 2 SPECIAL FRONT SPRINGS OFF CAR No 58 G.N. ROW 2: No.: 2 TYPE: 1100 LOADED lbs: 1104 MAKE: FIRTH'S MATERIAL: S.M. LOADED LENGTH: 45" LOADED CAMBER: FLAT INITIAL CAMBER AFTER TEST: 4.050" SERIAL NUMBER: J4925 PIECE NUMBER: F78797 DRAWING NUMBER: F78792 POSITION ON CHASSIS: N.S TOTAL TIME RUN: 28 00 POSITION OF BREAK: - REMARKS: (Same as row 1) ROW 3: No.: 3 TYPE: 1150 LOADED lbs: 1154 MAKE: FIRTH'S MATERIAL: S.M. LOADED LENGTH: 45" LOADED CAMBER: FLAT INITIAL CAMBER AFTER TEST: 4.530" SERIAL NUMBER: K460 PIECE NUMBER: F83317 DRAWING NUMBER: F83311 POSITION ON CHASSIS: O.S TOTAL TIME RUN: 1 00 POSITION OF BREAK: - REMARKS: ONLY RUN 1-00 DAMPER BROKE AND ENDED TEST TEMPORARILY. FITTED 24-4-31 ROW 4: No.: 4 TYPE: 1150 LOADED lbs: 1154 MAKE: FIRTH'S MATERIAL: S.M. LOADED LENGTH: 45" LOADED CAMBER: FLAT INITIAL CAMBER AFTER TEST: 4.530" SERIAL NUMBER: K470 PIECE NUMBER: F83317 DRAWING NUMBER: F83311 POSITION ON CHASSIS: N.S TOTAL TIME RUN: 1 00 POSITION OF BREAK: - REMARKS: FITTED 24-4-31 BOTTOM TEXT: 58 G.N. REPORT ON FRONT SPRINGS - TOGETHER WITH LEAF DIMENSIONS. SENT IN PREVIOUSLY | ||