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).
List of engine component modifications and part numbers.
| Identifier | ExFiles\Box 54\4\ Scan172 | |
| Date | 27th November 1933 | |
| (2) RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} 8/AP.27.11.33. Oil Fittings LOP.E.37948. Complete to the above LOP. ---------- Carburetter LOP.E.36424. Complete to the above LOP. ---------- Water Connections.DES.1693. Complete to the above scheme. ---------- Controls LOP.E.33170. Complete to the above LOP. ---------- Ignition Wires LOP.E.32281 ("A" side) Complete to the above LOP. ---------- Supercharger LOP.E.36187 (10-1 Ratio) Complete to the above LOP. incorporating Rotor reduced 30% in width. ---------- Pistons (7-1 Ratio) The following replacement parts fitted ex.Kestrel 6 Cyl.No.1. 6-E.37724 Pistons -RR.59 Alloy ground to Drgs.V.1372 & Ex.11140. 6-E.31595 Gudgeon Pins. 6-E.29208 Piston rings -top. 12-E.29207 Piston rings -Inter. 6-E.30648/1 Scraper rings. ---------- continued. | ||