LifeTrac II Build
Build completed September 2010. See blog post - 
Start with a design.
Updated frame video:
Wheel Assembly Video Script []
Then add the wheels (from Sean Church):
Then, go for the first test drive.
Wheel Tracks Construction video script []
Then, [build the wheel tracks.]
Then, build the loader arms - both front and rear.
27. Weld arm gussets. File:LTfab27.jpg
36. Put on real loader arms. File:LTfab36.jpg
Quick Attach Plate
64. Mark hole locations for all pieces. File:LTfab64.jpg
80. Mount QA plate on arms. File:LTfab80.jpg
87. Do same for second set of loader arms - and LifeTrac II with front and rear loaders is ready for testing.
Now take tractor for a test drive:
See corresponding blog post - http://blog.opensourceecology.org/2010/09/lifetrac-prototype-ii-completed/