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).
Pressure/stroke diagram for a front shock absorber.
| Identifier | WestWitteringFiles\Q\2April1927-June1927\ 155 | |
| Date | 2nd June 1927 guessed | |
| TYPICAL PRESSURE / STROKE DIAGRAM OF R.R. FRONT SHOCK ABSORBER. GRAPH I Y-AXIS: BALL END LOAD LBS. END OF 7.5 LEVER. X-AXIS: BALL END MOVEMENT INS: GRAPH DATA: 20°C 80°C INCREASED LOAD DUE TO VALVE SPRING RATING MAX. PISTON SPEED 16.5" INS/SEC AXLE VELOCITY OF 5.75 FT/SEC. H.P. VALVE SPRING GIVES 80 LBS. AT 7.5" LEVER. ALL TEMPS. TAKEN WITH THERMO COUPLE IN DAMPER OIL LEGEND: INCREASE IN BALL PIN LOAD DUE TO THE VELOCITY OF OIL CIRCULATION. SIDE NOTE: LOST MOVEMENT DUE TO NOT REPLENISHING FULLY THE OIL PASSING THE PISTON? | ||