Wednesday, 15 April 2015
Single arm barn door tracker plans
Some images on Single arm barn door tracker plans
DIY Sliding Barn Door 
Alt-az (left) and equatorial (right) mounts. 
If You Can 
How to Build Barn Doors 
Barn Door Tracker
Easy Single arm barn door tracker plans
maybe this article Make you know more even if you are a newbie in this field
