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Okay, so I think that a line launcher is a device used in rescues?

What I’m unsure please about is how they work, like the Batman grapple gun (is that a line launcher) or like a line launcher gun please?

Also please, for a trebuchet or catapult please, how is the weight related to how far the thing is thrown please?

Johnny
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Like a spear gun with a fishing line attached.

A classic concept based on a string tied around a rock which was first thrown then launched in a catapult then trebuchet etc

Solar Mike
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