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).
Component failures, their running times, and associated remarks.
| Identifier | ExFiles\Box 49\4\ Scan052 | |
| Date | 1st July 1924 | |
| SECTION FAILURES. TIME RUN. REMARKS. SPRINGS. CENTRE bolt. 13 mins. " " 4hrs. 9 mins. " " 6 hrs. 4 mins. Spring clips. 2 " 29 " " " 1 " 53 " " " 3 " 29 " " " 7 " 59 " Top leaves. 4 " 12 " Reported material poor. X. 2628 " Q" 5 " 36 " Crack starting at Central hole X. 3465 Column. 2 " 46 " 5 " 8 " Both broken just above flange, on steering box. STEERING. 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. Marston - Standard. 6 " 44 " One tube collapsed. This has been taken up with the Makers who promise to report. X. 46. FRAME. SIDE MEMBER. 9 " 48 " Fractured at the radiator suspension bracket O.S. The fracture travles through two hole and bolt hole on the underside which fixes the rubber buffer. X.3440 FRONT AXLE. 9 " 48 " cracked in the top section between spring rests. X. 3441. CRANKCASE. Rear Suspension Arm Old crankcase used on bump previously. DUMB IRON. Bolt. 5 " 32 " Head broke off. Vertical text on right margin: R R 253 . 1000 7. 24 Printed in Gt Britain C.W.S.Ld., Longsight, Manchester C.204 | ||