Motorized Barn Door Mount Plans

You mount your camera on the door then aim the hinge straight at the north star polaris.

Motorized barn door mount plans.

A barn door tracker also known as a haig or scotch mount is a device used to cancel out the diurnal motion of the earth for the observation or photography of astronomical objects it is a simple alternative to attaching a camera to a motorized equatorial mount. Inexpensive and budget friendly it is useful for people interested in astrophotography but not ready to spend on expensive equipment. The nyx tracker is a motorized barn door tracker used for astrophotography. A manuscript entitled affordable astrophotography with a motorized barn door is available for download.

The drive mechanism and motor control circuit are identical. Singer controls division model 414 349 20 115v 60 hz 3w 1 rpm cw. A key part of the assembly is the drive nut which couples the large gear to the threaded rod. You can buy fancy motorized equatorial mounts for telescopes and cameras but it s way cheaper and more satisfying to build your own simple barn door tracking mount using a long bolt or threaded rod as a drive screw.

First cut the 500mm length in half and mount the hinge. Motorized barn door mount plans motorized barn door mount plans 29 jul 2020 from a special jungle cruise playhouse to an epic princess castle style playhouse you are going to see lots of different designs on this list. At its heart the motorized version is essentially the same as the motorized barn door tracker described here. 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.

The mount i constructed is motorized. 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. This tracking mount follows the stars as they move through the sky. I am not aware of a stock number but the motor is marked as follows.

The motor was sourced from american science and surplus for about 2 50 and is a 1 rpm ac motor.