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).
The failure times for front and rear spring clips and a 'D' type dashbracket.
| Identifier | ExFiles\Box 119\2\ scan0268 | |
| Date | 1st July 1925 | |
| R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. -4- Expl. No. REF:Hs{Lord Ernest Hives - Chair}/LS/LG3.7.25. bolts invariably breaking across wasted portions. hrs mins. Front spring clip of front O.S. spring broken after 51 30 " " " " " N.S. " " " 84 30 Rear " " " " N.S. " " " 105 0 'D' type DASHBRACKET. hrs. mins. N.S. dashbracket cracked after 36 10 O.S. " " " 51 20 N.S. " " " 47 5 O.S. " " " 50 25 The radiator down springs appear to give a little too much movement of radiator - 12 springs broken during test and 4 new spring guides and washers fitted. contd :- Hs{Lord Ernest Hives - Chair}/LS. | ||