its 36 inches wide and as long as you make sure all of the legs are on solid ground it is very stable when you are up in it. You could easily stake it out if it makes you more comfortable. Might be able to replace the hex bolts at the pivot with eye bolts and stake it out.
Very cool idea. There are some great hunting ideas out of the old world.
There is actually a lot of room for your feet and they have a nice ledge inside each window for shooting.
I like the pot belly blinds. 'Pricey though, for a bolt-together kit. They're actually the closest blind
manufacturer to the ranch, but I couldn't justify the cost, then the hassle.