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).
Issues with noisy tappets in 3½ & 4¼-Litre Bentley engines caused by bent and worn push rods.
| Identifier | ExFiles\Box 103\2\ scan0137 | |
| Date | 18th November 1936 | |
| GWH{George W. Hancock - Head Chateauroux} To Hs.{Lord Ernest Hives - Chair} RHC.{R. H. Coverley - Production Engineer} E.{Mr Elliott - Chief Engineer} By.{R.W. Bailey - Chief Engineer} Rm.{William Robotham - Chief Engineer} 3½ & 4¼-Litre Bentley Push Rods. Complaints of noisy tappets are in many cases found to be due to the permanent bending of the push rods. It appears to be a growing trouble. There are also cases of bad wear which has taken place on the bottom pad of the push rods. A large pip is formed corresponding to the hole drilled in the tappet cup. GWH.{George W. Hancock - Head Chateauroux} | ||