Make Barn Door Tracker

Make sure everything is square and moves freely clap the 2 hinged boards together and shout action a few times like they do when making movies if it makes a nice clack sound it should work well for a star tracker now measure 228 55mm from the center of the hinge pin down the middle of the board and mark the drive rod holes do this on.

Make barn door tracker.

By 2 inch steel flat plates 13 99 each four 1 1 2 inch steel spacers about 6 two 4 inch pulleys 4 78 each four 1 inch fender washers. We bought everything from the home depot. A barn door is a specialized type of equatorial mount. Create your own barn door track hardware.

Four 3 1 2 inch lag bolts. Two nylon locking nuts. Drill a hole just big enough to allow the insertion of the t nut. The double arm design was first described in an article by dave trott published in the february 1988 issue of sky telescope magazine.

It consists of two boards connected by a hinge with a bolt which is turned to move the two boards apart or towards each other to counter the effects of. Pound in the t nut with a hammer. Barn door track diy tutorial. A followup appeared in the april 1989 issue.

The mount shown here employs a type 4 double arm design. Insert the t nut from the top side of the board and pound in with a hammer drill another hole in the very center of the board for another t nut. Making the hangers and door stops. This will allow you to hook up the tripod to the tracker.

First cut the 500mm length in half and mount the hinge.