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).
The performance gain from a semi-expanding carburetter on the Phantom II.
| Identifier | ExFiles\Box 13\4\ 04-page117 | |
| Date | 4th May 1933 | |
| V7080 R.{Sir Henry Royce} From Hs{Lord Ernest Hives - Chair}/Swdl.{Len H. Swindell} c. Sg.{Arthur F. Sidgreaves - MD} WoR.{Arthur Wormald - General Works Manager} c. E.{Mr Elliott - Chief Engineer} Da.{Bernard Day - Chassis Design} c. Hy.{Tom Haldenby - Plant Engineer} Hdy.{William Hardy} Hs{Lord Ernest Hives - Chair}/Swdl.{Len H. Swindell}1/KT.4.5.33. P.II. SEMI EXPANDING CARBURETTER. Attached is a curve showing that the total gain, due to the large air valve semi expanding carburetter, on the Phantom II, is approx. 7 B.H.P. These curves (Rn.{Mr Robinson}P.54) are in reference to the preliminary report Hs{Lord Ernest Hives - Chair}/Swdl.{Len H. Swindell}5/MA.6.2.33. Hs{Lord Ernest Hives - Chair}/Swdl.{Len H. Swindell} | ||