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 comparison graph of large and small bore induction manifolds using twin Zenith carburettors on a 'Japan' engine.
| Identifier | ExFiles\Box 6\7\ 07-page094 | |
| Date | 11th February 1937 guessed | |
| TWIN ZENITH CARBS. ON "JAPAN." V 867. COMPARISON OF LARGE & SMALL BORE INDUCTION MANIFOLD. 26 M/M CHOKES IN CARB. 5.25/1 COMPn RATIO. 116° CAMSHAFT. OPEN EXHAUST. SMALL BORE PIPE LARGE BORE PIPE B.H.P. R.P.M. P.M.E.P. B.M.E.P. SMALL BORE LARGE BORE SMALL BORE MANIFOLD LARGE BORE MANIFOLD | ||