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).
Petrol supply failure on the Wraith model due to the feed pipe design.
| Identifier | ExFiles\Box 10\2\ 02-page51 | |
| Date | 16th March 1939 | |
| 657 To By. {R.W. Bailey - Chief Engineer} c. to Da. {Bernard Day - Chassis Design} c. to Da {Bernard Day - Chassis Design} /Ev. {Ivan Evernden - coachwork} Rm {William Robotham - Chief Engineer} /JBD. {John B. Dixon - Fuel Systems} 6/JH.16.3.39. Petrol Tank Feed Pipe on Wraith. Complete failure of the petrol supply was experienced twice on the same chassis when the tank was nearly empty. On the second failure the trouble was found to be caused by the feed pipe entering the recess in the drain plug and forming an almost perfect seal. The pipe is held by a clip on the anti surge tower and is similarly secured on all the experimental chassis where we have had no trouble. To prevent this trouble occuring again a pin is being fitted across the drain plug on 'A' and 'B' series there being still 109 to do. For 'C' series the pipe is being sweated into the clip. In the first place the design is at fault as it allowed the possibility of this pipe entering the recess in the plug, but as the pipe is an almost perfect fit in the plug only perfect alignment between the two would allow the trouble to develop. Rm {William Robotham - Chief Engineer} /JBD. {John B. Dixon - Fuel Systems} | ||