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).
Diagrams showing Delco Damper performance characteristics under various conditions.
Identifier | ExFiles\Box 28\1\ Scan212 | |
Date | 9th January 1931 | |
SHEET IV DIAGRAMS DELCO DAMPER. MAIN LEVER 7.5. INTERMEDIATE LEVER 13.50 S.1.31 LEFT COLUMN: DELCO "LOW PRESSURE. 7.1.31 AS DELIVERED STANDARD LOVEJOY OIL 450 R.P.M. 1" STROKE AXLE VEL 1.25 FT/SEC MEAN BALL PIN LOAD 52 LBS MAX BALL PIN LOAD 70 LBS. Graph labels: 154 LBS |", 1.53 D" "DELCO" LOW PRESSURE G4-2G. 9.1.31 STANDARD 30 R.P.M. 2 1/2" STROKE AXLE VEL .5FT/SEC MEAN BALL PIN LOAD 36 LBS MAX BALL PIN LOAD 42 LBS Graph labels: 308 LBS |", 180"|.s, 1.06 D" DELCO "LOW PRESSURE" G4-2G 9.1.31 STANDARD 70 R.P.M. 4" STROKE AXLE VEL .75 FT/SEC MEAN BALL PIN LOAD 32 LBS/D" MAX BALL PIN LOAD 35 LBS/D" Graph labels: 308 LBS|D", 120"|.s, 1.02 D" DELCO "LOW PRESSURE" G4-2G 9.1.31 H.P. VALVE LEAK BLOCKED UP 70 R.P.M. 4" STROKE AXLE VEL .75 FT/SEC MEAN BALL PIN LOAD 32 LBS. MAX BALL PIN LOAD 35 LBS. Graph labels: 308 LBS|D", 120"|.s, 1.02 D" RIGHT COLUMN: "DELCO" HIGH PRESSURE 2G-G4 8.1.31 STANDARD 450 R.P.M. 1" STROKE AXLE VEL 1.25 FT/SEC MEAN BALL PIN 195 LBS MAX BALL PIN 344 LBS Graph labels: 308 LBS|D", 616 LBS|D", 2.81 D" "DELCO" HIGH PRESSURE 2G-G4 9.1.31 STANDARD 130 R.P.M. 2 1/2" STROKE AXLE VELOCITY .8FT/SEC MEAN BALL PIN LOAD 275 LBS. MAX BALL PIN LOAD 370 LBS. Graph labels: 308 LBS|D", 616 LBS|D", 8.01 D" DELCO" HIGH PRESSURE 2G-G4 9.1.31 STANDARD 70 R.P.M. 4" STROKE AXLE VELOCITY .75 FT/S MEAN BALL PIN LOAD 246 LBS. MAX BALL PIN LOAD 350 LBS. Graph labels: 308 LBS|D" DELCO" HIGH PRESSURE 2G-G4 9.1.31 H.P. VALVE LEAK BLOCKED UP 70 R.P.M. 4" STROKE AXLE VELOCITY .75 FT/SEC MEAN BALL PIN LOAD 268 LBS. MAX BALL PIN LOAD 336 LBS. Graph labels: 308 LBS|D" | ||