While there are many commercial mounts to track the sky here we will discuss a simple way to construct a mount that will costs less than 100 complete with a motor to drive the screw.
Motorised barn door mount.
This tracking mount follows the stars as they move through the sky.
Motorized barn door tracker.
The on off on switch is going to be used to switch the motion of the motor between clockwise stopped and anti clockwise.
First cut the 500mm length in half and mount the hinge.
The mount i constructed is motorized.
I am not aware of a stock number but the motor is marked as follows.
The tracking action of the barn door mount is achieved by lifting the upper board at the correct rate by means of a motor driving a nut on a threaded rod.
Edison sliding openers aos for garages doors or pole barns.
First carve a 1 8thinch wide groove about 3 32ndinch deep around the circumference of the dowel rod.
For the barn door mount though the rate of rotation is so slow that 8 point microstepping is more than ok.
Great for vehicular sliding door applications the edison will civilize your sliding door operation like never before.
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 a small pulley for it using a 1 1 8 inch diameter hardwood dowelrod.
The two switches are going to be used to provide control parameters to the software running on the arduino.
Make the grooveabout 1 4 inch from the end of the long dowel.
Don t get off of your tractor.
Inexpensive and budget friendly it is useful for people interested in astrophotography but not ready to spend on expensive equipment.
Don t get out of your car.
The nyx tracker is a motorized barn door tracker used for astrophotography.
Let the edison sliding opener open your barn doors with ease.
A key part of the assembly is the drive nut which couples the large gear to the threaded rod.
Singer controls division model 414 349 20 115v 60 hz 3w 1 rpm cw.
Mount a camera swivel post on the top board stick it on a camera tripod line the hinges up to polaris and you re ready to go.
The barn door mount gets it s name from the fact that it s basically a wooden board with a door hinge.
