Graph and data tables for front axle damper performance with 7.5 levers.
| Identifier | ExFiles\Box 56\1\ Scan251 | |
| Date | 23th November 1932 guessed | |
| FRONT AXLE DAMPERS 7.5 LEVERS. SHEET 3 COMPRESSION OR LOW PRESSURE STROKE MEAN AXLE VEL. FT/SEC. | MEAN BALL PIN. LOAD LBS. | MAX. BALL PIN. LOAD LBS. .75 | 27.7 | 29.5 1.07 | 32.6 | 32.6 1.50 | 40 | 45.6 2.15 | 44.5 | 58.6 3.35 | 73.0 | 106 Y-Axis: 308 LBS/D' X-Axis: BALL END STROKE 4" REBOUND OR HIGH PRESSURE STROKE Y-Axis: 770 LBS/D', 616 LBS/D', 462 LBS/D', 303 LBS/D', 154 LBS/D' X-Axis: BALL END STROKE 1" Table 1: AXLE VEL. FT/SEC | MAX. BALL PIN LOAD LBS. | MEAN BALL PIN LOAD. LBS. | CURVE LETTER 1.25 | 344 | 195 | A .860 | 200 | 120 | B .278 | 60 | 31.4 | C AXLE VEL. .28 FT/SEC. Table 2: CURVE. | MAX. BALL PIN LOAD LBS. | MEAN BALL PIN LOAD. LBS. D. {John DeLooze - Company Secretary} UNDRILLED VALVES. | 134 | 38.0 E. {Mr Elliott - Chief Engineer} DRILLED VALVE. | 60 | 31.4 X-Axis: BALL END STROKE 1" | ||
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).