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).
Letter from Silentbloc Ltd. detailing the two main types of Inlox bushes.
| Identifier | ExFiles\Box 154\1\ scan0354 | |
| Date | 26th May 1937 | |
| DIRECTORS: T. B. ANDRE H.{Arthur M. Hanbury - Head Complaints} VEZEY STRONG, V.{VIENNA} A.{Mr Adams} TRIER, W. L. HARRIS SILENTBLOC LIMITED TELEPHONE PARK 9821 (4 LINES) TELEGRAMS SILENTBLOC, NOTTARCH, LONDON VICTORIA GARDENS LADBROKE ROAD NOTTING HILL GATE LONDON, W. 11 130 B Messrs. Rolls Royce Ltd., DERBY. LES- 26th May, 1937. SWJ/JL. RM{William Robotham - Chief Engineer}/LES/17/AP. ATTENTION MR. LESLIE. Dear Sirs, INLOX BUSHES. In reply to your letter of the 24th instant, asking for additional details of the Inlox bushes, we are pleased to give you the following information which we hope will be of interest to you. Inlox bushes are of two main types. In one, the inner tube is brass plated and the rubber is bonded, i.e. vulcanised, to it. The outer tube, which is of comparatively thin gauge and of a larger diameter than the finished size, is rolled down and the ends spun over. For example, an outer tube, the final diameter of which is 1.7/16" is originally 1 5/8". In the second type of bush, the inner tube has a ridge spun in it, the rubber is moulded separately but has a corresponding annular depression and, the rubber having been pushed on to the inner tube, the outer tube is rolled down to a small diameter in the manner described above. Although we hope soon to be able to offer you bushes made with bonded rubber, we have nothing at present which entirely replaces the Inlox bush. Our drawing No. F.372213, however, shows a bush with which we cont...... | ||