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).
Report of a strengthened inlet rocker failure, possibly caused by a broken inner valve spring.
| Identifier | ExFiles\Box 43\3\ Scan077 | |
| Date | 26th November 1926 | |
| To R.{Sir Henry Royce} from Hs.{Lord Ernest Hives - Chair} c. to BJ. Wor.{Arthur Wormald - General Works Manager} c. to RG.{Mr Rowledge} E.{Mr Elliott - Chief Engineer} c. to BY.{R.W. Bailey - Chief Engineer} X4003 Hs{Lord Ernest Hives - Chair}4/LG26.11.26. RR. F.10. X3622 We have had one of the latest strengthened inlet rockers break. This rocker has been on the engine for 11 hrs. After the rocker had failed it was found that an inner valve spring had broken on one side. We are sending the portion of broken rocker to WW. Hs.{Lord Ernest Hives - Chair} | ||