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).
Performance graph and diagrams comparing two different exhaust manifold designs.
| Identifier | ExFiles\Box 6\7\ 07-page124 | |
| Date | 12th March 1931 | |
| COMPARISON OF EXHAUST MANIFOLDS ENGINE 1V G8 JAPAN HEAD 3.25 BORE 1 1/2" CAMSHAFT 5.25 C.R. TWIN ZENITHS 26 M.M. DIA. CHOKES 1.250 IND. PIPE P.II TYPE MANIFOLD THREE DOWNTAKE SCHEME B M E P R P M 3" DIA 3.50 DIA E.56031 TO PII EXPANSION ARRGT E 62070 BOX AND FISHTAIL BOX E73334 R.H. | ||