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 document for a Kestrel FS 6 Cylinder Unit No.2, detailing changes to cylinders and valves.
| Identifier | ExFiles\Box 54\4\ Scan165 | |
| Date | 30th October 1933 | |
| To Hs. {Lord Ernest Hives - Chair} from RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} e. {Mr Elliott - Chief Engineer} Hs {Lord Ernest Hives - Chair} /Bye. 84659. RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} 2/AP.30.10.33. Kestrel FS. {F. Steele} 6 Cylinder Unit No2. Specification of the above Unit issued in RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} 4/AP.27.10.33. is revised as follows:- Passed to Test 27.10.33. Previous Specification. Cylinders.LOP.E40795. Complete as shewn in spec. RHC {R. H. Coverley - Production Engineer} /WSC {W. S. Cassel} 4/AP.27.10.33. Removed. Revised Specification. Cylinders.LOP.E.41684 (Spring Loaded Gland Type Liners) The following replacement parts fitted ex. Gos.3 Engine- 1-E.41609 Cyl. Block "A" side complete to the above LOP. incorporating:- E.40737 Liners -S/HC. E.40738 Liners -S/HC. E.40401 Inlet Guide-BL./3. E.41389 Exhaust Guide-BZ/PC. E.42031 Inlet Seat-Monel metal - 45°. E.42032 Exhaust Guide-N.M.C.45°. E.35133/1 Rocker Cover. Valves & Fitts.LOP.E.40218. Complete as shewn in spec. RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} 4/AP.27.10.33. Removed. Valves & Fitts.LOP.E.40218. Complete to the above LOP. fitted ex.Gos.3. Engine - "A" side only:- 11-E41388 Salt Cooled Exhaust valves -tulip head type - produced in KE.965 -seats unstellite - 45°. 12-E28651/1 Inlet Valves-S/SLV. Lightened type - 45°. 24-E38324 Valve springs-Outer. 24-E38325 Valve springs-Inner. The following new replacement parts fitted:- 1-E41388 Salt Cooled Exhaust valve-Tulip Head Type - KE.965 -unstellite. (Fitted in No.A.11.) RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} | ||