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 the Kestrel FS. 6 Cylinder No.1 engine, detailing a supercharger rotor modification.
| Identifier | ExFiles\Box 54\4\ Scan139 | |
| Date | 5th February 1934 | |
| γ 4659 To Hs. {Lord Ernest Hives - Chair} from RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} c. Hs {Lord Ernest Hives - Chair} /Yng. c. Mr. Jaques.(A.I.D) c. Rg {Mr Rowledge} /Tsn. RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} 3/AP.5.2.34. KESTREL FS. {F. Steele} 6 CYLINDER No.1. Specification of the above Engine issued in RHC {R. H. Coverley - Production Engineer} /WSC {W. S. Cassel} 7/AP.1.2.34. is revised as follows:- PASSED TO TEST 31.1.34. Previous Specification. Supercharger lOP.E.36187. (10-1 Ratio) Segments 45°. Grooved. (Unit No.S.218) 1-E.32815/1 Rotor modified to Hs. {Lord Ernest Hives - Chair} 1064. Removed. Revised Specification. Supercharger lOP.E.36187. (10-1 Ratio) Segments 45°. Grooved. (Unit No.S.218) The following new replacement part fitted:- 1-E.32815/1 Rotor modified to Hs. {Lord Ernest Hives - Chair} 1064 i.e. reduced 30% in width. RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} | ||