Failures of rear springs during a bump test.
| Identifier | ExFiles\Box 80\2\ scan0105 | |
| Date | 16th March 1920 | |
| X.26286 16.3.20. X.2628. X.1331. REAR SPRING FAILURES ON BUMP TEST 2" BUMPS 180° - 105 R.P.M. Description of Part. Number of hours. run. N.S. Split Leaf broken. 8 hrs. 30 mins. N.S. Split Leaf cracked. 7 hrs. 0 mins. O.S. Split Leaf cracked. 15 hrs. 30 mins. N.S. Split Leaf cracked. 6 hrs. 55 mins. O.S. Split Leaf cracked. 14 hrs. 30 mins. N.S. Split Leaf cracked. 10 hrs. 55 mins. O.S. Split Leaf cracked. 17 hrs. 30 mins. N.S. Split Leaf broken. 16 hrs. 55 mins. O.S. 3rd. leaf broken. 17 hrs. 15 mins. O.S. 4th. leaf broken. 18 hrs. 5 mins. O.S. 5th. leaf broken. 20 hrs. 0 mins. N.S. 6th. leaf broken. 35 hrs. 0 mins. N.S. 2nd. leaf broken. 14 hrs. 15 mins. O.S. 2nd. leaf broken. 31 hrs. 0 mins. N.S. 2nd. leaf broken. 18 hrs. 35 mins. | ||
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).