Haig Equatorial Mount
Illustrations of a Haig design adapted from a book by H.J.P. Arnold.

A Better Barn Door
An extensive site detailing basic hand-guided, double-armed and motorized mounts.

Making a "Barn Door" Tracking Mount for Astrophotography
A guide utilizing a curved drive screw for greater tracking accuracy.

A low-tech Barndoor Drive
Plans for a single-arm drive and links.

Andy Weeks' Single Arm Scotch Mount or Barn Door Tracker
A design offered as a protest against the rising tide of technology.

Build Your Own Star Tracker
A tracker plan from a Seattle Astronomical Society member.

Tripod Astrophotography
Instructions for single- and double-arm drives along with related links.

Haig "Scotch" Mount
A useful site as basic as the device itself.

Photographing the Night Sky on a Budget
An Australian site whose theme of frugality is dear to my heart.

The "wee dram"
Basic Scotch mount design with a stepper motor, from the UK.

How to Build a Double-arm Barn Door Tracker
Valuable information on various Scotch mount styles, albeit a bit technical.

Simple Astrophotography
Plans for a Scotch mount and some astrophotography basics.

Barn Door Tracker
Plans for a basic design and motorized version.

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