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).
Log sheet detailing failures observed during a bumper test on the rear of a chassis.
| Identifier | ExFiles\Box 119\2\ scan0106 | |
| Date | 21th June 1920 | |
| LAS X1331 BUMPER TEST - REAR OF CHASSIS. Special springs ordered by Mr. Bailey. O.S. 2216 lbs. N.S. 2076 " Table Data: Column Headers: Total hours run on chassis., Remarks., T, Hours run. Row 1: Total hours run on chassis.: 15.6.20 Remarks: F.419 Bolt centre main bracket broken. O.S. Rear tie clip loose. F.419 bolt (near) centre bracket broken . Hours run: 50 mins. 2 hrs.15 " 4 " 25 " Row 2: Total hours run on chassis.: 16.6.20 Remarks: Sphere broken, O.S. radius rod broken. Hours run: 5 " 5 " (Note: 176 was crossed out and replaced with 5) Row 3: Total hours run on chassis.: 19.6.20 Remarks: N.S. shock absorber loose(disconnected). 3rd. leaf O.S. spring broken rear of clip. Hours run: 7 " 55 " 8 " 30 " (Note: 65 " 50 " was crossed out) Row 4: Total hours run on chassis.: 21.6.20 Remarks: 1st. and 2nd. leaves O.S. spring broken Hours run: 9 " 15 " Margin Text (vertical): R.R. 199 (250) (SD676-19-7-17) MP180895 | ||