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).
Blueprint bar chart tracking component complaints and failures by month for the year 1939.
| Identifier | ExFiles\Box 131\3\ scan0091 | |
| Date | 1st January 1939 | |
| 1939 JAN FEB MARCH APRIL MAY JUNE REAR SILENCER COMPLAINT BAFFLE LOOSE RATTLES Data Points: P160, P159 (JAN), P198 (MAR) REAR AXLE OIL LEAKS Data Point: P206 (APR) AVERAGE MILEAGE JAN 11000 FEB 4361 APRIL 5761 LOWEST MILEAGE REAR AXLE NOISY DUE TO A - FAULTY THRUST RACE B - FAULTY ROLLER RACE C - THRUST RACE CAGE BROKEN D - BROKEN BALLS IN THRUST RACE E - NO PRE LOAD F - GEAR TEETH PICKED UP G - NOSE BEARING H - EXTENSION FRACTURED FAULTY BEDDING Data Points: A,C,G,P160,W252,W288 (JAN); F,G,C,P166 (FEB); SLACK IN DIFF,H,F,A,C,D,W324 (MAR); H,A,C,W328 (APR); B&C,E,A,D,B,C,P221 (MAY) GI 4080 THRUST RACE NOW BEING FITTED E IMPROVED CAGE INCREASED PRE LOAD DOUBLE ROLLER RACE BEING TRIED REAR AXLE DRIVING SHAFT FAILURE Data Points: W330, W325 (MAR) REAR AXLE DRIVING DOG RATTLE A - RATTLE CHANGED B - BROKEN C - LUBRICATED D - OVERSIZE FITTED Data Points: B,W287 (JAN); A,B (FEB); C,D,003 (MAR); C,D,005,003,P206 (APR); A,C,D,003 (MAY) NOTE A SIGNIFIES DRIVING DOGS CHANGED FROM O.S TO N.S. & N.S. TO O.S. GWH{George W. Hancock - Head Chateauroux} 4 | ||