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).
Manufacturing and quality control notes regarding the assembly, polishing, and soldering of a component.
| Identifier | ExFiles\Box 150\3\ scan0450 | |
| Date | 29th April 1938 guessed | |
| SHEET No. 2. THE ENDS OF TWO OUTER VANES MUST BE KEPT STRICTLY WITHIN THE 19.000 OVERALL LENGTH OF BOTTOM SUPPORT PLATE, TO PREVENT FOULING THE TOP TANK WHEN ASSEMBLED. ONE SHUTTER OVERHANGS APPROX. .040 / .050. GREATER CARE MUST BE TAKEN WITH THE POLISHING OF THE FACES CONTAINING THE TWELVE .901 +.010 DIA. HOLES, SAMPLE SHOWS THE MOUTH OF HOLES BUFFED AWAY, GIVING A POOR FINISH. THE SOLDERING OF THE CENTRE SUPPORT COULD BE CONSIDERABLY IMPROVED, SAMPLE SHOWS LARGE BLOBS OF METAL IN PLACES, WHILST AT OTHER POINTS BAD GAPS ARE NOTICEABLE. TO ASSIST IN PROVIDING A GOOD FINISHED JOB, CARE MUST BE TAKEN TO ENSURE THAT NO SOLDER IS ON COMPONENTS BEFORE PLATING, AS MARKED ON SAMPLE RETURNED, COLOURED RED. | ||