Will the tree withstand?

Hey guys I have a question and came upon this forum and think you may be able to help me out. I am setting up a aerial dog run between two trees. The first tree I know will hold up but I'm curious on the second tree, the smaller of the two. I attached photos of both trees through imgur. The smaller tree is approx. 19-20 inches in circumference.

The two trees will be over a distance of 140 ft and 7.5 ft off the ground. The cable is 7mm aircraft cable and will be secured around the trees by either a strap or eye hooks. The line will be tensioned by a ratchet strap to keep taught. I am unsure if I can link to the website that sells the kit but if you search RoverRoamer and look at their permeant setup thats the one I'm looking at.

If there is any other information you need just let me know!

 
@The_Big_Tree

Make sure that you don't anchor the cable by wrapping it around the trunk.

Using webbing loops in a basket configuration will reduce the chance of girdling the trunks Use a long turnbuckle to tighten the cable.
Dogs are much more content with overhead runs than they are with ground dragging leashes
 
@The_Big_Tree

Make sure that you don't anchor the cable by wrapping it around the trunk.

Using webbing loops in a basket configuration will reduce the chance of girdling the trunks Use a long turnbuckle to tighten the cable.
Dogs are much more content with overhead runs than they are with ground dragging leashes
Thanks for the advice! The kit comes with these straps to wrap around the tree, ill look into getting some more to set it up into a basket configuration.

The straps
 
If you are really worried add some guy lines on the smaller tree. Also consider your tension. The flatter/tighter the run the higher the load will be at either end of the span with a load in the middle of the span.
 

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