Summary table of complaints, fixes, and production updates for the 20 HP model for the quarter ending June 1928.
| Identifier | ExFiles\Box 76\3\ scan0180 | |
| Date | 30th June 1928 | |
| KEY CARDS - 20 HP. QUARTER ENDING JUNE, 1928. INDEX LETTER. | COMPLAINT & REMARKS. | NATURE OF WORK REQ'D. {John DeLooze - Company Secretary} | COST PER CAR. | WHAT IS BEING DONE TO OVERCOME COMPLAINT. | TOTAL NO.OF CARS WHICH MAY BE AFFECTED. | APPROX.NO. OF CARS ALREADY ATT'D. {John DeLooze - Company Secretary} TO. | NO. ATT'D. {John DeLooze - Company Secretary} TO LAST QUARTER. | NO. OF CARS YET TO BE DONE. | HOW LONG TO APPLY F.O.C. --- G. {Mr Griffiths - Chief Accountant / Mr Gnapp} | Seized Slipper Drive. This may cause a broken crankshaft & certainly engine knocks & vibrations. | S/fit fabric washers and re-set the fric- -tion. | £2.1.3. | Fabric washers now standard on Production. | Any. | 348. (At least). | 44. | Not known. | 25,000 or guarantee. --- J. {Mr Johnson W.M.} | New Card for dealing with 20 HP. Front Springs is being prepared. --- M. {Mr Moon / Mr Moore} | Starter Motor Failures. (a) Incorrect distance from pinion to flywheel. (b) Better balance of pinion springs. (c) Slightly damaged teeth. (d) More damaged than (c). (e) Damaged beyond repair. | S/fit packing washers to suit. S/fit 3 new springs. Trim up teeth. Also either (a) or (b) or both would be done. Turn round flywheel on crankshaft 60°. S/fit new flywheel. | £0.9.2. £0.10.6. £2.16.11. £6.10.4. £7.11.7. | Improvements are now standard on Production and are fairly effective, but design is still liable to failure. | Any. | 237. | 36. | Not known. | 25,000 or guarantee. --- O. {Mr Oldham} | Weak Side Steering Tube. Old type tubes are of too light gauge. | S/fit complete new side steering tube. | £3.9.11. | The new and stronger tube also has new and more flexible springs to reduce joggles. | 1950. | 1226. | 66. | 624. | Always. --- P. | Steering Wobbles. | S/fit new spring loaded cross tube. | £3.2.7. | Now standard on Production. | 1730. | 402. | 38. | | 25,000 or guarantee. --- Q. | Failure of Rear Axle Thrust. The old thrust is liable to failure due to overload & new gears may be required if they are damaged. | S/fit new type of thrust bearings and - (a) Re-set Gears. (b) S/fit new gears. | - £10.7.10. £23.10.1. | New thrust now standard on Production, but we still get a few cases of failure. | 1525. | 284. | 35. | Not known. | 4 years. --- R. {Sir Henry Royce} | Failure of Rear Axle Thrust. Due to wear of soft Distance Piece. | S/fit a new hardened distance piece which is also keyed to shaft. If gears are damaged they are replaced. | £7.15.2. £20.17.5. | Same as above but soft distance piece was fitted to about 375 Production cars, concurrently to about 100 further cars by R.D. Depots. | 475. | 64. | 11. | Not known. | 4 years. | ||
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).