... feature on dynamic load of mental material. 2. max. impact energy: 300/500 J3. moment of pendulum: 160, 7695, 80, ... 3848 N.m4. impact speed: 5.2m/s5. angle of elevation of pendulum: 150mm6 ... . distance from impact center to axis: 750mm 7. anvil block span: 40mm8. radius ...