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 of shock damper test results showing the relation between external pressure and ball pin load.
| Identifier | ExFiles\Box 151\2\ scan0143 | |
| Date | 10th January 1934 | |
| SHOCK DAMPER TESTS. RRS469. GOVERNOR CONTROLLED TYPE. 40/50 H.P. FRONT. LEVER 9.350 RAD. RELATION BETWEEN EXTERNAL PRESSURE & BALL PIN LOAD. LOW PRESSURE. VERTICAL AXIS: EXTERNAL PRESSURE LB/SQ. IN. HORIZONTAL AXIS: BALL PIN LOAD - LB. CURVE 1: 27 Ex. FRONT - TRIPLE AREA VALVE - .020" HAT CURVE 2: 22 Ex. FRONT - SMALL DIA BELLOWS F95875 - .030 HAT CURVE 3: PRODUCTION FRONT .010 HAT CURVE 4: TEST DAMPER - STD FRONT LABELS ON GRAPH: No 1, No 2 HAT CLEARANCE .040 INS .030 " .020 " .010 " DATA POINTS: 1.L 2.OLB, 1.L 6.OLB, 1.L 3.OLB BOTTOM LABELS: 27Ex., 22Ex., PRODUCTION, TEST 2 SHEETS - SHEET 1. | ||