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).
List of valve, fitting, and cylinder parts for a Kestrel 6 Cylinder No.1 unit, including replacements after a failure.
| Identifier | ExFiles\Box 54\4\ Scan173 | |
| Date | 27th November 1933 | |
| (3) RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} 2/AP.27.11.33. Valves & Fittings LOP.E.40218. Fitted ex. Kestrel 6 Cyl.No.1. E.28651/1 Inlet Valves -S/SLV-Lightened type. Ex.12760 Exhaust Valves-Solid Stems- Tulip head type-KE.965 with stellite tips. Ground to 44° 20' giving 40' heavy bed on outer edge. E.38324 Valve Springs -Outer. E.38325 Valve Springs -Inner. The following new replacementparts fitted owing to No.3. Connecting rod failure. 2-E.28651/1 Inlet Valves-S/SLV -Lightened type. 2-Ex.12760 Exhaust Valves -Solid Stems- Tulip Head type-KE.965 with stellite tips and ground to an angle to 44° 20' to give 40' heavy bed on outer edge. --------------------------------------- Cylinders LOP.E.40975. Fitted ex.Kestrel 6 Cyl.No.1. Unit. E.39720 Cylinder Block "A" side modified to drgs. E.41509 & Ex.12629 including E.40737 Liners -S/HC. Hs. {Lord Ernest Hives - Chair} 1187 Exhaust Valve Seats-N.M.C. (Small bore type -thicker flange) E.42031 Inlet Seats -N.M.C. E.40401 Inlet Guides -BL.3. E.41389 Exhaust Guides-BZ/PC (.437 dia.bore) The following new replacement parts fitted owing to No.3. Conn. rod failure:- 1-E.40737 Liner -S/HC. 1-E.39140/1 Joint ring. 1-E.40407 Rubber --DTY/10. --------------------------------------- continued. | ||