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).
Instructions to modernise the Kestrel Six Cylinder Unit No.1.
| Identifier | ExFiles\Box 54\4\ Scan094 | |
| Date | 1st August 1933 | |
| 84659 To RHC. {R. H. Coverley - Production Engineer} From Hs {Lord Ernest Hives - Chair} /Ryce. Hs {Lord Ernest Hives - Chair} /Ryce.9/MJ.1.8.33. KESTREL SIX CYLINDER UNIT NO.1. Will you please modernize this unit as follows:- Conn. Rods. - Goshawk type with ears sawn off. Big ends & Main Bearings. - Lead Bronze incorporating any modifications considered necessary. Pistons. - New designs are expected shortly and these will then be instructed. Block. - Latest type Goshawk block. Camshaft - E.40042. Valves. - Stellited sodium cooled tulip exhaust valves in H.R. crown material standard inlets. Valve Seats. - N.H.C. inlet and exhaust. Oil Pumps. - Standard existing (L.O.P. E.35666) Supercharger - It is proposed that this unit will be transferred from one engine to the other for the time being. Gudgeon Pin. - S.Z.N.C.R. material similar to the one instructed by By. {R.W. Bailey - Chief Engineer} for the C.I. unit. Hs {Lord Ernest Hives - Chair} /H.S.Royce. | ||