Woodworker's Journal 1993-17-2, страница 29

under the four posts), if you live in the frost belt, with the first frost heave your arbor will be out of kilter. To solve this problem, there are several options. First, the arbor can be permanently mounted in the ground. Add about 2 ft. in length to the length of the posts, dig out for this extra length, and pour concrete around the posts for added rigidity. Or. you can purchase post anchor kits at many hardware stores that fit over the ends of 4 by 4 posts. Another option is to pour little concrete footings under each post, with a post anchor set into each footing. The posts are then mounted into the post anchors.

However you decide to make, mount or use the arbor, the framework will be the same. Cut the four posts to length, chop off the top ends at 30 degrees, and cut a 1 in. deep by 7-^s/» in. long notch in each post for the stretcher. Note that the notches start 3'A» in. down from the top

ends of the posts. If you decide to make the arbor with the seat, you'll also need to cut a 1 in. deep by Vh in. long notch in each post for the seat support (I>. Note that these notches are located exactly 62'/8 in. down from the top notches.

The easiest way to cut these notches is with a hand-held circular saw. making a series of parallel cuts and then cleaning out the waste with a chisel. You'll note that we cut a notch in both the posts and the interlocking parts. The primary pur-