Making a Chicken Tractor

This shows my construction of a lightweight chicken tractor I made with PVC (frame), sheet metal (roof/floor), hardware fabric, and some scrap wood. It has an automatic feeder, automatic waterer, built-in coop with roosting area and nest box, as well as retractable wheels.
The wheels were tricky to design. The following links gave me the inspiration I needed to make it work:
• Chicken tractor wheels
www.avianaquamiser.com/posts/W...
• How to Put Wheels on a...