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 different carburetter arrangements for a 25 HP engine.
| Identifier | ExFiles\Box 102\1\ scan0025 | |
| Date | 10th July 1931 | |
| SHEET I HS.{Lord Ernest Hives - Chair} 413. COMPARISON OF CARBURETTER ARRANGEMENTS FOR 25 HP. JAPAN UNIT IV. G.8. 5.45 C/R.{Sir Henry Royce} OPEN EXHAUST Nº I TWO CLAUDELS. M.M. CHOKES. 25 INDUCTION AS SHOWN Nº II TWO 36. VI. ZENITH. CHOKES 25 INDUCTION AS SHOWN CLAUDELS. ZENITHS. B.H.P. B.M.E.P. INDUCTION DEPN. INS. HG. R.P.M. Nº 2 Nº 1 EX: 51 IN: 47 3 4.4 114° SHAFT CAM. FORMS E.3695 R.M. 10/7/31 | ||