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).
Graph plotting shock absorber valve leakage rates for various valve configurations.
| Identifier | ExFiles\Box 16\4\ Scan025 | |
| Date | 22th June 1928 | |
| FILE UNDER P.I SHOCK DAMPERS A12322 CU. INS./SEC. F 74570 SOLID A 12292 DRILLED 2 FLATS A 12295 DRILLED 2 FLATS CROSS HOLE .050 FROM HEAD. A 12294 DRILLED 2 FLATS CROSS HOLE .650 FROM HEAD. A 12293 DRILLED 2 FLATS CROSS HOLE .450 FROM HEAD. A 12217 SOLID ONE ".031" SLOT. A 12306 SOLID ONE ".047" SLOT. A 2180 SOLID TWO ".031" SLOTS. A 12181 SOLID TWO ".047" SLOTS. (.38) (.48) (.53) (.80) (1.2) (1.6) (2.18) (2.67) X7520 SHOCK ABSORBER VALVE LEAKAGE. CU. INS./SEC. AT 18 3/4 LBS □/IN. JUN 22 1928 EUGENE DIETZGEN CO., CHICAGO-NEW YORK NO. 346 B. L. OY. JUNE 22 28 | ||