You should never be using these carabiners for this no matter how much weight is distributed on them. They are not rated for carrying anything other than keys, and should they fail you could be seriously injured.
Nylon tieline does not hold knots together very well nor is it rated to support a person. The knots you're using look like just single hitches to tie two ends together. These WILL slip at some point and fail. You need to be using, well 1. Rated rope for the weight it's carrying, and 2. Rated carabiners and pulleys, and 3. Better knots. A bowline or figure 8 knot on carabiners, and a fisher mans knot to tie two ropes together, which basically a clove hitch around each rope.
If you decide to continue using this costume PLEASE consider designing a new rigging system with better hardware. Seek professional assistance from a rigging company. I'm based in Chicago, so I only really know of the ones here, but they're all over the country.
Chicago fly house
Reed rigging.
Chicago spotlight.
Sourcefour40 karma
You should never be using these carabiners for this no matter how much weight is distributed on them. They are not rated for carrying anything other than keys, and should they fail you could be seriously injured.
Nylon tieline does not hold knots together very well nor is it rated to support a person. The knots you're using look like just single hitches to tie two ends together. These WILL slip at some point and fail. You need to be using, well 1. Rated rope for the weight it's carrying, and 2. Rated carabiners and pulleys, and 3. Better knots. A bowline or figure 8 knot on carabiners, and a fisher mans knot to tie two ropes together, which basically a clove hitch around each rope.
If you decide to continue using this costume PLEASE consider designing a new rigging system with better hardware. Seek professional assistance from a rigging company. I'm based in Chicago, so I only really know of the ones here, but they're all over the country.
Chicago fly house
Reed rigging.
Chicago spotlight.
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