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).
Low-speed rattle issue with an O.H. camshaft unit and proposed solutions.
| Identifier | ExFiles\Box 113\5\ scan0174 | |
| Date | 7th December 1936 | |
| E.{Mr Elliott - Chief Engineer} from Rm.{William Robotham - Chief Engineer} c. to Hs.{Lord Ernest Hives - Chair} c. to Ry. c. to Da.{Bernard Day - Chassis Design} 8200 Rm{William Robotham - Chief Engineer}2/R.7.12.36. O.H. CAMSHAFT UNIT. You will see from the attached report that when we have done all we can with chain tensioners, we are left with a low speed rattle that is considerably worse than anything we should pass on existing timing gears. As soon as we have a cast manifold we shall give the engine a run on the road; in the meantime we are experimenting with a balancing cam. Rm.{William Robotham - Chief Engineer} | ||