Log sheet detailing failures during a bumper test on the rear of a chassis.
| Identifier | ExFiles\Box 80\2\ scan0294 | |
| Date | 25th June 1920 | |
| x 3981 (filed 25.6.20) X.1331. BUMPER TEST - REAR OF CHASSIS. X.3981. Special springs ordered by Mr. Bailey. O.S. 2216 lbs. N.S. 2076 " Total hours run on chassis. | Remarks. | Hours run. ---|---|--- 15.6.20. | F.419 Bolt centre main bracket broken. O.S. Rear tie clip loose. " F.419 bolt (rear) centre bracket broken. | 50 mins. 2 hrs 15 " 4 " 25 " 16.6.20. | Sphere broken, O.S. radius rod broken. | 176 " 5 " Z 19.6.20. | N.S. shock absorber loose (disconnected) 3rd. leak O.S. spring broken rear of clip. | 65 " 50 " 8 " 30 " 21.6.20. | 1st. and 2nd leaves O.S. spring broken. | 9 "15 " | ||
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).