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 revisions for a Kestrel FS. 6 Cylinder Unit No.2, detailing piston and cylinder changes.
| Identifier | ExFiles\Box 54\4\ Scan158 | |
| Date | 19th September 1933 | |
| To Hs. {Lord Ernest Hives - Chair} from RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} 84659. RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} 11/AP.19.9.33. Kestrel FS. {F. Steele} 6 Cylinder Unit No.2. Specification of the above Unit issued in RHC {R. H. Coverley - Production Engineer} /WSC {W. S. Cassel} 6/AP.15.9.33. is revised as follows:- Passed to Test.18.9.33. Pistons LOP.E.36091 (6-1 Ratio) H.D.Y. The following pistons interchanged:- No.3. Piston fitted in No.5. bore. No.5. Piston fitted in No.3. bore. The above pistons changed over complete with rings and fitted with top stop on inlet side. Cylinders LOP.E.36092. Hs. {Lord Ernest Hives - Chair} 995 & Hs. {Lord Ernest Hives - Chair} 995A Water inlet adaptors removed. Original E.28829 Core plugs and E.38242 Centre Banjo bolts to suit larger dia. top water pipes removed 11.9.33. - refitted. The following new replacement part fitted in No.3. bore. 1-E.29140/1 Top joint ring. RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} | ||