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).
Request to manufacture a modified exhaust fish-tail with a 50% larger outlet area for testing on a Continental P.II.
| Identifier | ExFiles\Box 14\6\ Scan221 | |
| Date | 2nd November 1931 | |
| 87230. To RHC{R. H. Coverley - Production Engineer}/HPS.{Horace Percy Smith - Experimental Factory Mgr} from Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey} Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey}7/KT.2.11.31. EXHAUST TESTS - CONTINENTAL P.II. Will you please make up for 27-EX a swan-neck and fish-tail; the swan-neck pipe as standard but the fish-tail having a 50% larger outlet area. [Diagram of standard exhaust outlet] <-- 9.0" --> Outlet height: .250" Standard. (Area 2.250 sq.in) [Diagram of modified exhaust outlet] <-- 9.0" --> Outlet height: .375" 50% Larger (Area 3.375 sq.in) Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey} | ||