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 summarizing vehicle complaints regarding clutch, dynamo, and exhaust systems.
Identifier | ExFiles\Box 130\1\ scan0158 | |
Date | 1st September 1934 guessed | |
- 4 - CLUTCH SLIPS. Headers: 25 HP. PH.II. TOTAL. GRAND TOTAL. REMARKS. September Quarter: C.C. 104, 22, 126); C.P. 14, 9, 23). Grand Total: 149. Previous Quarter: C.C. 94, 21, 115); C.P. 6, 5, 11). Grand Total: 126. Six Months: 218, 57, 275. Grand Total: 275. Remarks: Slipping is often due to oil on the fabrics. Steps have been taken to delete automatic clutch spigot lubrication on 20/25 HP. cars. Depot Sheets Hd.{Mr Hayward/Mr Huddy}185, Hd.{Mr Hayward/Mr Huddy}196 and Hd.{Mr Hayward/Mr Huddy}205. Pressure ring serrations are being modified to prevent binding. See Depot Sheet Hd.{Mr Hayward/Mr Huddy}242. Depot Sheet Hd.{Mr Hayward/Mr Huddy}254 describes treatment for clutch slip. DYNAMO COMPLAINTS. September Quarter: C.C. 24, 11, 35); C.P. 3, 1, 4). Grand Total: 39. Previous Quarter: C.C. 13, 3, 16); C.P. 1, 2, 3). Grand Total: 19. Six Months: 41, 17, 58. Grand Total: 58. Remarks: These are mainly noisy ball races. Roller bearing now being fitted at one end of armature to replace ball bearing, and a reduction in these complaints is anticipated. Voltage control on 20/25 HP. and 40/50 HP. should reduce complaints of undercharging etc. TOTAL EXHAUST COMPLAINTS. (underlined) September Quarter: C.C. 22, 34, 56); C.P. 9, 19, 28). Grand Total: 84. Previous Quarter: C.C. 12, 29, 41); C.P. 9, 16, 25). Grand Total: 66. Six Months: 52, 98, 150. Grand Total: 150. EXHAUST MANIFOLD CRACKED OR BROKEN. September Quarter: C.C. 2, 1, 3); C.P. 2, -, 1). Grand Total: 5. Previous Quarter: C.C. 1, -, 1); C.P. 3, -, 3). Grand Total: 4. Six Months: 8, 1, 9. Grand Total: 9. Remarks: Early 20/25. - Exhaust manifolds with cooling fins are now available. No failures of this type yet reported. Depot Sheet Hd.{Mr Hayward/Mr Huddy}229. Ph.II. - Flange bosses now thickened up to prevent cracking. | ||