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 successful replacement of a primer with a pilot jet to solve engine starting issues.
| Identifier | ExFiles\Box 74\2\ scan0086 | |
| Date | 26th June 1922 | |
| C O P Y. BY.{R.W. Bailey - Chief Engineer} from Hs.{Lord Ernest Hives - Chair} EP.{G. Eric Platford - Chief Quality Engineer} Da.{Bernard Day - Chassis Design} Rg.{Mr Rowledge} GWT. for R.R. Inc. PN.{Mr Northey} Hs{Lord Ernest Hives - Chair}1/LG26.6.22. X.4387B - PILOT JET TO REPLACE PRIMER. We attach copy of standardisation sheet in connection with the above experiment. Will you kindly remark upon, sign and return at your earliest convenience. We have now had consider-able experience with the Pilot Jet. About 12 sets have been fitted to different cars. All of them have been successful. We have heard from Springfield that the Pilot Jet has effectively overcome all their starting troubles. Hs.{Lord Ernest Hives - Chair} [WATERMARK: 1804] [WATERMARK: MADE AT CROXLEY] [STAMP: RECEIVED H8 1922] | ||