Make Barn Door Tracker

A followup appeared in the april 1989 issue.

Make barn door tracker.

This will allow you to hook up the tripod to the 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. Pound in the t nut with a hammer. 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.

First cut the 500mm length in half and mount the hinge. 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. Two nylon locking nuts. The double arm design was first described in an article by dave trott published in the february 1988 issue of sky telescope magazine.

Making the hangers and door stops. 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. We bought everything from the home depot. Barn door track diy tutorial.

A barn door is a specialized type of equatorial mount. Create your own barn door track hardware. Drill a hole just big enough to allow the insertion of the t nut. Here s what you need to make a diy barn door track like ours.

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.