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).
Test failure log sheet listing various component failures, time to failure, and corresponding remarks.
| Identifier | ExFiles\Box 119\2\ scan0077 | |
| Date | 10th October 1919 guessed | |
| SECTION FAILURES. TIME RUN. REMARKS. SPRINGS. Centre bolt. 13 mins. " " 4 hrs. 9 mins. " " 6 hrs. 4 mins. Spring Clips. 2 " 29 " " " 1 " 53 " " " 3 " 29 " " " 7 " 59 " X.2628 ✓ Top leaves. 4 " 12 " Reported material poor. " " 5 " 36 " Crack starting at central hole. STEERING. X.3465 ✓ Column. 2 " 46 " Both broken just above flange on 5 " 8 " steering box. Rocking lever in box 1 " 39 " Reported previously. X.3463 ✓ Bottom O.S. Steering Arm. 7 " 59 " Broken about 5" from ball end. Brinell 257 - Analysis O.K. RADIATOR. X.46 ✓ Marston - Standard. 6 " 44 " One tube collapsed. This has been taken up with the Makers who promise to report. FRAME. X.3440 SIDE Member. 9 " 48 " Fractured at the radiator suspension bracket O.S. The fracture travles through two bolt holes and bolt hole on the underside which fixes the rubber buffer. FRONT AXLE. X:3441 9 " 48 " cracked in the top section between spring rests. CRANKCASE. Rear Suspension Arm. Old crankcase used on bump previously. DUMB IRON. Bolt. 5 " 32 " Head broke off. | ||