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Desktop trebuchet from bicycle frame

Step 6Sling

Sling
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  • POUCH.jpg
  • SLING.jpg
I made the sling pouch by cutting a key strap into four pieces of equal length and sewing them together. My method was quite tedious to do without a sewing machine. The sling pouch is pretty thich in the ends, so don't break your sewing machine or fingers. You should improvise here again.

I sew the strap pieces so that in the middle they are side by side overlapping only slightly and in the ends the pieces are completely overlapped. This creates a nice bag in which the ammo sits snugly when firing.

The pouch is attached to the throwing arm with two strings. The other string is fastened to the smaller trigger pin hole. The other pin has a metal ring that is placed on the sling release pin. The strings should be measured so that the sling is as long as the throwing arm. Making it longer will usually be inefficient. If you fire heavier ammo, you will have to make the sling shorter.
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