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).
Test report on an engine foot mounted shock damper, including load and deflection data.
| Identifier | ExFiles\Box 16\4\ Scan137 | |
| Date | 10th March 1930 | |
| To Da.{Bernard Day - Chassis Design} From Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} c. to E.{Mr Elliott - Chief Engineer} BY.{R.W. Bailey - Chief Engineer} X7520. Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson}3/MJ.10.3.30. X7005 leaving for print ENGINE FOOT MOUNTED SHOCK DAMPER. S.S. N.Sch.3031. ENGINE FOOT AND DAMPER MOUNTED ON CRANKCASE. REAR FEET MOUNTED ON PEDESTALS, FRONT END CLAMPED ON BLOCKS UNDER FEET. LOAD APPLIED AT BALL PIN OF DAMPER. A PLATE (.250"S/M) WAS BOLTED TO THE TOP HALF CASING (IN PLACE OF THE BOTTOM HALF) TO WHICH THE EYE-ROD WAS SECURED. LOAD LB. | A.{Mr Adams} | B. | DEFLECTION INS. C. | D.{John DeLooze - Company Secretary} | F.{Mr Friese} ---|---|---|---|---|--- 0 | - | - | - | - | - 50 | .057 | .057 | .002 | .004 | .005 100 | .112 | .113 | .005 | .008 | .010 150 | .167 | .166 | .008 | .012 | .015 200 | .223 | .224 | .012 | .017 | .019 SET | +.001 | +.002 | -.002 | +.0005 | +.0005 WEIGHT OF TRAY AND ROD NOT INCLUDED = 4½ LB. DATUM POINTS. A.{Mr Adams} CENTRE OF BALL PIN. B. " LEVER BALL PIN END. C. " MAIN SHAFT END. D.{John DeLooze - Company Secretary} TOP COVER STUD (NEAREST VALVE COVERS). E.{Mr Elliott - Chief Engineer} JUNCTION OF ENGINE FOOT AND CRANKCASE (DEFL:.003" AT 200 LB.) F.{Mr Friese} CENTRE OF EYE-ROD END OF INTERMEDIATE LEVER. This demonstrates clearly that the damper is rigidly held to the crankcase in N.Sch.3031 and that the method of | ||