Table 1: Results of the experiment.

0.2 J
5 Hz
0.2 J
20 Hz
0.6 J
5 Hz
0.6 J
20 Hz
1 J
20 Hz
1 J
5 Hz
2 J
20 Hz
2 J
5 Hz
P
15 Hz
Dusting time (sec)
No device
275 1120 1026 940 910 815 798 605 578 0.03
550 1105 998 882 869 745 712 583 545 0.012
Stone cone
275 1010 966 880 855 740 700 468 426 0.023
550 998 920 845 812 702 662 422 402 0.042
Fragmentation time (sec)
No device
275 920 910 880 850 720 690 420 415 0.014
550 870 845 822 780 705 642 400 398 0.025
Stone cone
275 810 785 760 720 660 622 282 275 0.001
550 798 460 732 697 640 600 278 270 0.001
Propulsion (cm)
275 0.9 1.0 1.2 1.4 2.4 2.3 3.1 3.4 < 0.001
550 1.0 1.1 1.4 1.6 2.6 2.5 3.4 3.5 0.001