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 complaints regarding clutch slips, dynamos, and exhaust systems for 25 HP and Phantom II models.
| Identifier | ExFiles\Box 130\1\ scan0310 | |
| Date | 31th December 1935 guessed | |
| - 4 - CLUTCH SLIPS. 25 HP. PH.II. TOTAL GRAND TOTAL. REMARKS. December Quarter. C.C. 117 16 133) C.P. 18 8 26) 159 Even with all the latest modifications the 20/25 HP. clutches are very unsatisfactory. Previous Quarter. C.C. 135 20 155) C.P. 17 10 27) 182 Six Months. 287 54 341 341 DYNAMO COMPLAINTS. December Quarter. C.C. 39 5 44) C.P. 5 1 6) 50 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. Previous Quarter. C.C. 41 6 47) C.P. 6 - 6) 53 Six Months. 91 12 103 103 TOTAL EXHAUST COMPLAINTS. December quarter. C.C. 14 15 29) C.P. 16 12 28) 57 Previous quarter. C.C. 26 24 50) C.P. 19 18 37) 87 Six Months. 75 69 144 144 EXHAUST SILENCER CORRODED. December Quarter. C.C. 5 - 5) C.P. 3 - 3) 8 All silencers are now Parkerised and a longer life is expected. Previous Quarter. C.C. 8 - 8) C.P. - - -) 8 Six Months. 16 - 16 16 | ||