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Q&A Is there a rule of thumb, how many fps is added per missing grain of the arrow?

I do not know any rule of thumbs but I do have some knowledge in physics and math, so lets see what we can do with that=) Let's assume the energy that is put into an arrow is independent of the we...

posted 8y ago by flawr‭  ·  last activity 8y ago by System‭

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