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).
Quarterly statistical report on brake failures categorized by type (seize, thump, inefficient) and car model.
| Identifier | ExFiles\Box 130\1\ scan0054 | |
| Date | 30th June 1933 guessed | |
| - 2 - BRAKES SEIZE - REAR. 20 HP. 25 HP. PH. I. PH. II. TOTAL. GRAND TOTAL. REMARKS. June Quarter. C.C. - 41 1 1 43) V.P. 1 - - - 1) 44 Modification to 20/25 rear brake shaft bearing is being carried out on all cars as they become available. Depot Sheets No. Ed.{J. L. Edwards}220. New 20/25 cars have improved lubrication scheme to outer bearings. Also increased clearance being given to footbrake on synchro-mesh cars. See Depot Sheet No.Ed.{J. L. Edwards}246. Previous Quarter. C.C. - 28 - 3 31) V.P. - 5 - - 5) 36 Six Months. 1 74 1 4 80 80 BRAKES THUMP. June Quarter. C.C. - 9 - 2 11) V.P. - 2 - - 2) 13 This is having further attention of Experimental Department. Previous Quarter. C.C. 1 11 1 - 13) V.P. - 1 - - 1) 14 Six Months. 1 23 1 2 27 27 BRAKES INEFFICIENT. June Quarter. C.C. 3 91 2 37 133) V.P. - 6 - 7 13) 146 Inefficiency on 20/25 is now being dealt with by re-lining the servo and fitting oil guards, to Depot Sheets Ed.{J. L. Edwards}224 and Ed{J. L. Edwards}232. Further modifications to keep oil off servo are in progress. Previous Quarter. C.C. - 30 - 19 49) V.P. - 3 - 2 5) 54 Six Months. 3 130 2 65 200 200 | ||