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 report on transmission and axle faults with corresponding remedies.
| Identifier | ExFiles\Box 47\3\ Scan264 | |
| Date | 30th September 1931 guessed | |
| -1- 20 HP. 25 HP. PH.I. PH.II. TOTAL. GRAND TOTAL. REMARKS. TRANSMISSION - REAR AXLE THRUST. September Quarter. C.C. 18 4 - 2 24 } 28 W.P. 1 3 - - 4 } Previous " C.C. 19 3 - - 22 } 23 W.P. - 1 - - 1 } Six months. 38 11 - 2 51 51 REMARKS: 20 HP. This can be definitely cured by fitting the thrust race to the latest limits. New type thrust bearings now available. See Depot Sheet H.214. Ph.II. The limits in this case have been altered to reduce thud on the pick-up due to slackness in the pinion bearing. TRANSMISSION - AXLE GEARS NOISY. September Quarter. C.C. 2 - - 1 3 } 3 W.P. - - - - - } Previous " C.C. - - - 2 2 } 2 W.P. - - - - - } Six months. 2 - - 3 5 5 REMARK: Higher oil level on Ph.II. now standard. TRANSMISSION - REAR AXLE OIL LEAK. September Quarter. C.C. - - - 31 31 } 42 W.P. - - - 11 11 } Previous " C.C. 4 - - 20 24 } 31 W.P. - - - 7 7 } Six months. 4 - - 69 73 73 REMARK: * Complaint on Ph.II can be cured by modifying the N.S. bearing housing and fitting an air vent. OIL LEAK FROM GEARBOX. TELEGAUGE FAILURES. [Struck through] September Quarter. C.C. - - - 2 2 } 3 W.P. - - - 1 1 } Previous " C.C. - - - 8 8 } 9 W.P. - - - 1 1 } Six months. - - - 12 12 12 REMARK: Modification to change gear bracket to vent gearbox cures this trouble. See Depot Sheet Hm.{Capt. W. Hallam - Head Repairs}156. | ||