Just an update; I'm making some mods to the mount for my barn door so it is easier to setup when i'm out in the dark. Currently need 3 hands to set it up accurately. Its probably going to look bulky but it will be very sturdy, I hope.
Also Im going to have to re-make the arms on the tracker as the plastic I used is bending and twisting!
I'll try and post more pics later tonight!