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).
The failure of the No.2 Inlet Rocker on the B.80 No.4 Unit.
| Identifier | ExFiles\Box 124\1\ scan0242 | |
| Date | 15th August 1939 | |
| 1044 To [redacted]. from HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth} Rm.{William Robotham - Chief Engineer} [redacted]. HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth}1/BA.15.8.39. Valves and Fittings (B.80 No.4 Unit) Failure of No.2. Inlet Rocker. EB.4731. Occurred on 25.7.39 after 39 hours 25 mins, of which 9 hours 35 mins were full throttle. This is the second failure to occur in the same position, the previous one being reported on by H1/EJW. ref: H1/EJW.1/JM.{Mr Morley}12.6.39. HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth} [Signature] | ||