You can use any brand the crucial parameter is the distance from the centre of the hinge pin to the centre of the hole at the far end of the hinge which should be close to 7 3 16 inches 182mm.
Barn door tracker calculator.
This shows how added a threaded stepper motor to the rig for automatic tracking.
It also shows diy.
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The nyx tracker is a motorized barn door tracker used for astrophotography.
It spins against the earth so you don t get star trails.
I m looking forward to the rest of this series.
33 thoughts on building a barn door mount part 2.
This tracking mount follows the stars as they move through the sky.
That means we want to spin our barn door tracker at a rate of 360 degrees every 24 hours which comes out to be 0 25 degrees per minute.
A video diary of the digitization of my barn door tracker.
A home made barn door tracker will cost less than half as much if you buy everything new and even less if you only buy the parts unique to the tracker the motor mount tripod bushings and tripod ball head.
I ve been looking for a good arduino project for a while and also looking into a tracking mount for my camera this project would suit both perfectly.
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All dimensions except the barn door radius are limited to what you can find to buy.
A sidereal day on earth is 23 hours 56 minutes and 4 091 seconds long or 1436 minutes about 4 minutes shorter than a standard solar day and we can use this time to calculate the rate at which the barn door tracker needs to turn.
The calculator at the right will find the proper barn door radius given any combination of the other dimensions.
Hinges scrap wood and even lantern batteries can often be found lying around in a suitably stocked garage.
You can however make a 6 wide board and use a 4 hinge but you may give up some stability.
Cut your two blocks of wood pieces into 13 x 4 pieces.
The initial dimensions are the ones used for the barn door tracker pictured above.
Assembly setting up your door tracker.