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 detailing the Delco II leak adjustment mechanism, including a section view through the shaft.
| Identifier | ExFiles\Box 28\1\ Scan198 | |
| Date | 8th July 1931 | |
| S+73 8/7/31 1.200 .750 .375 .437 .625 DIA .212 DIA 1.500 22 ADJUSTMENT GROOVES. 39º .243 DIA .311 DIA 24 T.P.I LOW PRESSURE PASSAGE HIGH " " .083 DIA .250 DIA .093 DIA 1 1/4 MARGIN' DELCO II. LEAK ADJUSTMENT. SECTION THROUGH ¢ OF SHAFT AB. | ||