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).
Revised specification for a Kestrel FS 6 Cylinder Unit No.1, detailing changes to valves and springs.
| Identifier | ExFiles\Box 54\4\ Scan138 | |
| Date | 1st February 1934 | |
| To Hs. {Lord Ernest Hives - Chair} from RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} c. Hs {Lord Ernest Hives - Chair} /YDS. c. Mr.Jaques.(A.I.D) c. RE/Tsn. 84659. RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} 12/AP.1.2.34. KESTREL FS. {F. Steele} 6 CYLINDER UNIT. No.1. Specification of the above Engine issued in RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} 11/AP.1.2.34. is revised as follows:- Work Carried Out On Test Bed.27.1.34. Previous Specification. Valves & Fittings LOP. E.40218. 24-E.38324 Valve Springs. 24-E.38325 " Removed. Revised Specification. Valves & Fittings LOP.E.40218. The following new parts fitted 24-E.38324 Valve Springs-Outer. 24-E.38325 " " -Inner. Remaining parts to complete are existing. RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} | ||