Performance graphs for a Delco II Rear Damper with adjustable leak and 12' lever.
| Identifier | ExFiles\Box 28\1\ Scan196 | |
| Date | 16th May 1939 guessed | |
| SHT3 DELCO REAR DAMPER. ADJUSTABLE LEAK. 12" LEVER. Graph 1: DELCO II LOW PRESSURE 1" STROKE. N°1 LEAK. MAX. PRESSURES. 550 R.P.M. --- 115 LB/sq in 450 R.P.M. --- 115 " 300 R.P.M. --- 92.5 " 200 R.P.M. --- 77 " Y-Axis: 154 LB/sq in Graph 2: DELCO II HIGH PRESSURE 1" STROKE N°1 LEAK. MAX. PRESSRS. 536 R.P.M. --- 970 LB/sq in 450 " --- 785 " 300 " --- 693 " 200 " --- 508 " Y-Axis: 462 LB/sq in Graph 3: DELCO II LOW PRESSURE 1" STROKE. N°3 LEAK. MAX. PRESSURES. 550 R.P.M. --- 115 LBS/sq in 450 R.P.M. --- 100 " 300 R.P.M. --- 85 " 200 R.P.M. --- 61.5 " Y-Axis: 154 LB/sq in Graph 4: DELCO II HIGH PRESSURE 1 STROKE N°3 LEAK. MAX PRESSURES 550 R.P.M. --- 855 LB/sq in 520 R.P.M. --- 809 " 450 R.P.M. --- 740 " 300 R.P.M. --- 485 " 200 R.P.M. --- 392 " Y-Axis: 462 LB/sq in Graph 5: DELCO II. LOW PRESSURE 1" STROKE N°4 LEAK. MAX. PRESSURES 600 R.P.M. --- 123 LB/sq in 450 R.P.M. --- 100 " 300 R.P.M. --- 85 " 200 R.P.M. --- 69 " Y-Axis: 154 LB/sq in Graph 6: DELCO II HIGH PRESSURE. 1" STROKE. N°4 LEAK. MAX. PRESS. 550 R.P.M. --- 715 LB/sq in 450 R.P.M. --- 646 " 300 R.P.M. --- 554 " 200 R.P.M. --- 370 " Y-Axis: 462 LB/sq in | ||
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).