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).
Summary report on brake issues, including seizing, thumping, and inefficiency, across different car models over a six-month period.
| Identifier | ExFiles\Box 130\1\ scan0025 | |
| Date | 31th March 1933 guessed | |
| - 2 - BRAKES SEIZE - REAR. 20 HP. 25 HP. PH.I. PH.II. TOTAL. GRAND TOTAL. REMARKS. March quarter. C.C. - 28 - 3 31) C.C. - 5 - - 5) 36 Modification to 20/25 rear brake shaft bearing is being carried out on all cars as they become available. Depot Sheet No. Hd.{Mr Hayward/Mr Huddy}220. New 20/25 cars have improved lubrication scheme to outer bearings. Also increased clearance being given to foot brake on synchromesh cars. See Depot Sheet No. Hd.{Mr Hayward/Mr Huddy}246. Previous quarter. C.C. - 9 - 2 11) W.P. - 8 - - 8) 19 Six months. - 50 - 5 55 55 BRAKES THUMP. March quarter. C.C. 1 11 1 - 13) W.P. - 1 - - 1) 14 This is having further attention of Experimental Department. Previous quarter. C.C. - 11 1 2 14) W.P. - 1 - - 1) 15 Six Months. 1 23 3 2 29 29 BRAKES INEFFICIENT. March quarter. C.C. - 30 - 19 49) W.P. - 3 - 2 5) 54 Inefficiency on 20/25 is now being dealt with by re-lining the servo and fitting oil guards to Depot Sheets Hd.{Mr Hayward/Mr Huddy}224 and Hd.{Mr Hayward/Mr Huddy}232. Previous quarter. C.C. - 31 2 20 53) W.P. - 1 - 3 4) 57 Six Months. - 65 2 44 111 111 [Text in left margin: RED SE... M.P HARD FINISH] | ||