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).
Urgent request detailing specifications for two types of pistons for the Phantom model.
| Identifier | WestWitteringFiles\S\2April1928-June1928\ Scan067 | |
| Date | 1st May 1928 | |
| HS.{Lord Ernest Hives - Chair} ) FROM R.{Sir Henry Royce} BY.{R.W. Bailey - Chief Engineer} ) C to BJ. WOR.{Arthur Wormald - General Works Manager} ORIGINAL U R G E N T. R3/M1.5.28. X7040 PISTONS FOR NEXT 10,000 MILES PHANTOM. Please send two pistons, short and long, sand cast in HL's L.250 (?), and standard, afterwards diecast. The short one is for current production and EAC. 10. The long one is for Sports, and aluminium head production. All rings to be pinned - bottom wider. Test with perfect circle - hope this will pass. Test with 'L' shaped ring as scraper as shewn because it is practical. Piston pins must be spring tempered. R.{Sir Henry Royce} | ||