Two nylon locking nuts.
Make barn door tracker.
Barn door track diy tutorial.
The mount shown here employs a type 4 double arm design.
Four 3 1 2 inch lag bolts.
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.
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.
Here s what you need to make a diy barn door track like ours.
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.
Making the hangers and door stops.
A barn door is a specialized type of equatorial mount.
First cut the 500mm length in half and mount the hinge.
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.
The double arm design was first described in an article by dave trott published in the february 1988 issue of sky telescope magazine.
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.
Pound in the t nut with a hammer.
Create your own barn door track hardware.
Drill a hole just big enough to allow the insertion of the t nut.