Traditional Culture Encyclopedia - Traditional culture - What size steel balls are suitable for slingshots?
What size steel balls are suitable for slingshots?
Applicable to 6.5
2 kg steel ball with a tensile force of 6.5; 7-7.5 steel balls under 2.5 kg tension; 3 kg steel ball with a tensile force of about 8; 4 kg steel ball with a tensile force of 9- 10; 5 kg tensile force to hit 10- 1 1 steel ball; 6 kg tension hit 12 marble.
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