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 FS 6 Cylinder Unit No.2 engine.
| Identifier | ExFiles\Box 54\4\ Scan163 | |
| Date | 27th October 1933 | |
| To Hs. {Lord Ernest Hives - Chair} from RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} Cc Hs {Lord Ernest Hives - Chair} /Rye. (crossed out) 84686.4659 RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} 4/AP.27.10.33. Kestrel FS. {F. Steele} 6 Cylinder Unit No.2. Specification of the above Engine issued in RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} 14/AP.18.10.33. is revised as follows:- Passed to Test 24.10.33. Previous Specification. Cylinders.LOP.E.36976. (Detachable Head Type) Complete as shewn in spec.RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} 14/AP.18.10.33. Removed. Revised Specification. Cylinders.LOP.E.40795. Original "A" side Cylinder Block E.39720 modified to E.41509 removed.4.8.33. Refitted incorporating the following new parts:- 12-E.42051 Inlet Seats N.M.C. 45° Venturi type. .6-EX.12550 Exhaust Seats - KE.965-Stellite faced in 45° seats-Fitted in No.1.2 & 3 bores. 6-Ex.12549 Exhaust Seats-N.M.C. Not stellited-fitted in Nos. 4.5. & 6 bores. Width of exhaust seats increased by reducing the bore from 1.510" to 1.425" 4-E.40737 Liners-S/HC. 2-E.40738 " " 6-E.40739 Gland ring. 12-E.40740 Springs. 6-E.29140/1 Joint rings. 6-E.40407 Rubbers-DTY/10. continued. | ||