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 sheet for a Kestrel 6-Cylinder Unit, listing component part numbers.
| Identifier | ExFiles\Box 54\4\ Scan111 | |
| Date | 26th January 1933 | |
| To Hs. {Lord Ernest Hives - Chair} from RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} X4659. RHC {R. H. Coverley - Production Engineer} /WSC {W. S. Cassel} 3/IS.26.1.33. KESTREL 6-CYLINDER UNIT. We give herewith specification to which the above Unit is built. PASSED TO TEST 21.12.32. Crankcase & Bearings IOP.E.34773. E.30254 Crankcase - T.H. E.33041 Crankcase - B.H. E.32037-8-9-40-1-2 Main Bearings-(Whitemetal) Note:- "B" side Cylinder Bores blanked. Crankshaft IOP.E.32054. E.32053 Crankshaft. E.29311 Driving Flange to suit Direct Drive. Piston (7-1 Comp: Ratio.) E.37724 Piston - RR.59 Alloy. E.31595 Gudgeon Pins. E.29208 Piston Rings - Top. E.29207 " " - Inter: E.30648/1 " " - Scraper. Connecting Rods. E.33476 Forked Rods. E.33398 Bolts. E.33399 Nuts. E.26613 Small End Bushes. E.33477-8 Big End Bushes-Whitemetal. Note:- Bearings are not drilled for Oil Holes, and Oil Grooves are deleted, as Plain Rods are not fitted. -continued- | ||