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).
PD.114 induction pipe for a single carburetter with hot spot and air silencer for the Bentley 50.
| Identifier | ExFiles\Box 112\1\ scan0001 | |
| Date | 23th February 1938 | |
| [Struck out text] DA{Bernard Day - Chassis Design}/HS.{Lord Ernest Hives - Chair} c. Rm.{William Robotham - Chief Engineer} [Struck out text] c. DA{Bernard Day - Chassis Design}/Jnr.{Charles L. Jenner} [Struck out text] c. DA{Bernard Day - Chassis Design}/JD.{J. Draper - Frames} [Struck out text] c. DA{Bernard Day - Chassis Design}/Ho.S. ---------------- [Handwritten] 1044 [Handwritten] 808 BENTLEY 50. ---------- Herewith is PD.114 Induction Pipe for Single Carburetter, with hot spot and Air silencer. The pipe is made 1.6 diameter, along the straight, the same as 25/30 and larger than Wraith, so as to compromise between slow running and the anticipated 20% gain in power. Though it is a PD. drawing details can be made directly from it. DA.{Bernard Day - Chassis Design} [Handwritten Annotations] P (circled) L.H. C.T.S This must not be made until further notice | ||