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).
Specification revision for the Kestrel 6 Cylinder Unit, detailing changes to pistons and cylinders.
| Identifier | ExFiles\Box 54\4\ Scan116 | |
| Date | 24th May 1933 | |
| To Hs. {Lord Ernest Hives - Chair} from RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} c. Hs {Lord Ernest Hives - Chair} /Eng. c. Mr. Jaques. (A.I.D) c. Rg {Mr Rowledge} /Tsn. RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} 3/AP. 24.5.33. Kestrel 6 Cylinder Unit. Specification of the above Unit issued in RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} 3/LS. 26.1.33. is revised as follows:- Passed to Test. 27.4.33. Previous Specification. Cylinders. E.29140/1 Joint Rings. E.36382 Rubber Joint rings- A {Mr Adams} /CYY.G.H.T. 9.6-9.8 ccs. Removed. Revised Specification. Pistons ( 7-1 Ratio) Existing E.37724 piston - HR.59 alloy - Ground to Drgs. V.1372 and Ex.11140. Cylinders. The following new replacement parts fitted:- 6-E.29140/1 Joint rings. 6-E.36382 Rubber Joint rings - A {Mr Adams} /CYY.Goodrich High Temp. 9.6-9.8 ccs. RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} | ||