Make Barn Door Tracker

The mount shown here employs a type 4 double arm design.

Make barn door tracker.

Here s what you need to make a diy barn door track like ours. Drill a hole just big enough to allow the insertion of the t nut. 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. This will allow you to hook up the tripod to the tracker.

A barn door is a specialized type of equatorial mount. The double arm design was first described in an article by dave trott published in the february 1988 issue of sky telescope magazine. A followup appeared in the april 1989 issue. First cut the 500mm length in half and mount the hinge.

Barn door track diy tutorial. 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. Create your own barn door track hardware. We bought everything from the home depot.

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. Pound in the t nut with a hammer. Four 3 1 2 inch lag bolts. Two nylon locking nuts.

A barn door tracker also known as haig or scotch mount is a camera mount used to take long exposure photographs of the night sky without the star trails caused by the rotation of the earth.