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).
Alterations made to address exhaust popping in the New Phantom model.
| Identifier | ExFiles\Box 66\2\ scan0181 | |
| Date | 1st March 1926 | |
| COPY OF CWB8/DN10.3.26. To EH. from CWB. New PhantomCodename for PHANTOM I Popping in Exhaust. Both the alterations, ile., the new silencers and improved ball bearing governor control, are fitted to both Riviera cars and to 11-EX. I am writing to PN. {Mr Northey} to ask him how he finds 11-EX in this respect. As regards H. {Arthur M. Hanbury - Head Complaints} , the two cars he is reporting on are the two Riviera cars, as given in his memo. 3326. (Sgd.) CWB. | ||