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).
Requesting the manufacture and fitting of a modified oval swan neck exhaust pipe for a 30-EX model.
| Identifier | ExFiles\Box 93\1\ scan0012 | |
| Date | 10th January 1935 | |
| 4323 To RHC.{R. H. Coverley - Production Engineer} Hs{Lord Ernest Hives - Chair}/Wym.{G. Harold Whyman - Experimental Manager}7/KW.10.1.35. 30-EX Exhaust System. Will you please instruct to be made and fitted to above car, an oval swan neck pipe the same size and section as attached sketch. It will be necessary for the pipe to be round at the flanged joint to the silencer, diam. 2.750", returning to the oval section as soon as possible. The outlet in the top hat of silencer will also require altering to 2.750" diam. to suit the pipe. Hs{Lord Ernest Hives - Chair}/G.H.Whyman. | ||