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).
List of complaints regarding water pump thrust bush or pad issues.
| Identifier | ExFiles\Box 149a\1\ scan0320 | |
| Date | 10th November 1938 | |
| 1269 Rm{William Robotham - Chief Engineer}/Std.9/MH.{M. Huckerby}10.11.38. WATER PUMP THRUST BUSH OR PAD COMPLAINTS. NO. OF COMPLAINT SHEET. | DATE OF COMPLAINT. | CHASSIS NO. | DELIVERY DATE. | MILEAGE. | REMARKS ON COMPLAINT. ---|---|---|---|---|--- N.1163 | 5/7/38. | 3.AX.33 | 29/4/38 | 1,754 | Squeak from pump - dressed off and re-adjusted thrust plug to give clearance between rotor and cover. N.1250 | 22/7/38 | 3.BUI.30 | 8/5/37 | 12,178 | Leaks from pump - repacked gland, dressed off and re-adjusted thrust plug to give clearance between rotor and cover. N.1375 | 7/9/38 | 3.AZ.154 | 18/11/36 | 38,958 | Leaks - repacked gland, replaced bush and repaired thrust screw. N.671 | 7/3/38 | 3.BU.48 | 8/5/37 | 13,663 | Leaks - worn spindle and bearing - also worn thrust plug. N.707 | 9/3/38 | 3.AZ.180 | 7/11/36 | 11,338 | Squeaks - rapid wear of rear thrust plug. N.718 | 15/3/38 | 3.AZ.68 | 7/9/36 | 20,118 | Leaks - wear of shaft, gland etc. and thrust bush and plug worn. N.37 | 28/10/37 | 3.CP.138 | - | 80 | Noisy pump - adjusted thrust plug. N.236 | 1/12/37 | 3.AZ.156 | 12/2/37 | 6,777 | Squeaks - worn thrust plug. In addition to above there are seven more cases of Ph.III water pump complaints which are not known, however, to include complaints of thrust surface wear. Severe wear of thrust surfaces has been experienced on Wraith water pumps on 26.G.VI (15,000 miles test) Wraith III No.4 unit (test bed) whose rotor wore right through pump cover, and Sg{Arthur F. Sidgreaves - MD}'s car (after 13,000 miles running). Rm{William Robotham - Chief Engineer}/Std. | ||