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).
Check test on tappet clearance variation on a Peregrine engine.
| Identifier | ExFiles\Box 8\4\ 04-page114 | |
| Date | 4th April 1933 | |
| X615. E.{Mr Elliott - Chief Engineer} from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}10/KT.4.4.33. With reference to your query re. the variation in tappet clearance on Peregrine. We give below a check test on these figures showing that the maximum variation is not more than .003" Cold. Inlets .004 Exhaust .006 After Warming 80°C. " .007 " .0085 After Full Power. " .007 " .007 Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||