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).
And sketches detailing ring theory, focusing on hydro-dynamic wedges and oil flow.
| Identifier | Morton\M18\ img088 | |
| Date | 26th June 1925 guessed | |
| Left Page: slightly higher wall pressure L Ring Theory OIL (VOID) Due to slightly higher resistance - contraction in the thickness section a tapered hydro-dynamic wedge is formed - which in one direction scrapes the oil - in front of the advancing edge & in the other allows the oil to flow past the ring by lifting it. Right Page: Wet track. Ralph Barker Tues 2.30 11 12.15 lunch hr. Lor SD + RR? EFL Void S Tall Wear Pattern down stroke | ||