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).
Reporting on a failure of an aluminised mild steel downtake pipe and front expansion box after just one day of running.
| Identifier | ExFiles\Box 101\2\ scan0218 | |
| Date | 21th December 1936 | |
| To Rm.{William Robotham - Chief Engineer} Rm.{William Robotham - Chief Engineer}/G.H. Whyman. 500g File Cricklewood. 21-12-36. Re 22GV WYMAN Aluminised mild steel downtake pipe and 'front' Expansion box. Replying to your memo Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}4/JH 19.12.36 the paragraph "It was found that the pipe leading into the main silencer had broken away at the weld. This was re-welded". refers to the standard intermediate silencer which had run, as you state, approximately 23,854 miles, and was found to have broken at the weld when changing the systems. After one days running, the exact mileage of which should be in the log book at Derby, the new Aluminised front expansion box was found to be blowing where the downtake pipe enters it. As the car was required to proceed at once to Paris, the standard front | ||