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).
Blueprint of an oil system component featuring a pilot jet.
| Identifier | ExFiles\Box 66\3\ scan0221 | |
| Date | 21th December 1927 | |
| DRAWING NO. S.K 171 SEE ALSO THE FOLLOWING OPERATION DRAWINGS POSITION OF PLUG WITH PJ SHUT OFF AUXILIARY OIL PRESSURE [FEED TO ROCKERS] NO EX OIL VALVE FITTED DEC 21 1927 DRAWN BY C9 TRACED BY C9 CHECKED BY APPROVED BY LIMITS ROLLS-ROYCE OF AMERICA, INC. MODEL SEC. WEIGHT DATE DEC 21/27 SCALE HEAT TREAT BRINELL STANTON TITLE F.{Mr Friese} OIL WITH PILOT JET MACHINE ALL OVER MACHINE WHERE MARKED III MATERIAL SPECIFICATION NO. OFF | ||