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).
Exhaust boom on car GUL-1, found to be caused by an extension piece.
| Identifier | ExFiles\Box 104\2\ scan0256 | |
| Date | 20th November 1936 | |
| 523 W/S. Cx.{Major Len W. Cox - Advertising Manager} from Rm.{William Robotham - Chief Engineer} c. to Sg.{Arthur F. Sidgreaves - MD} c. to Hs.{Lord Ernest Hives - Chair}E.By. Rm{William Robotham - Chief Engineer}7/R.20.11.36. EXHAUST BOOM - GUL-1. You will see from the attached report that this exhaust boom was due to an extension fitted to the exhaust system of this car to improve appearance. We found it very difficulty to detect the boom when the extension piece was removed and the exhaust system restored to standard condition. Rmd. | ||