LifeTrac II Build
Main > Food and Agriculture > Farm equipment
Build completed September 2010. See blog post - 
Start with a design.
Then, build the frame. Frame Construction Video Script []
Updated frame video:
Wheel Assembly Video Script []
Then, prepare all the wheel mounting materials.
Then add the wheels (from Sean Church):
Lifetrac II- Wheel Mounting from Sean Church on Vimeo.
Then, go for the first test drive.
LifeTrac II Test Drive from Marcin Jakubowski on Vimeo.
Wheel Tracks Construction video script []
Then, [build the wheel tracks.]
Extreme Traction from Marcin Jakubowski on Vimeo.
Then, build the loader arms - both front and rear.
2. Mark loader attach plates for hole locations.
3. Punch or drill mount plate holes.
4. Drill holes in loader arms.
7. Drill or punch 1" holes for cylinder mount bottoms.
9. Prepare bottom mount plates for loader arms.
11. Mark arm locations on frame.
14. Torch out holes in frame for loader arms.
15. Smooth out holes for loader arms.
17. Fit shafts and DOM bushing for laoder arms.
20. Mark loader arms for insert plug welds.
21. Torch out plug weld holes.
23. Line up plug inserts for welding.
27. Weld arm gussets. File:LTfab27.jpg
31. Mount cylinder base plates.
32. Mount cylinder plates to arms.
33. Mount cylinder cross support.
34. Mount cylinder arms on frame.
36. Put on real loader arms. File:LTfab36.jpg
41. Finish attaching cross supports.
43. Bolt cylinder attach plates.
45. Mount quick attach (QA) plate cylinders.
49. Tack weld bottom cylinder support nuts.
50. Complete bottom cylinder gusset welds.
51. Botom cylinder gusset nuts welded.
Quick Attach Plate
64. Mark hole locations for all pieces. File:LTfab64.jpg
66. Prepare QA plates for welding.
75. Finish weld eyes in place.
80. Mount QA plate on arms. File:LTfab80.jpg
82. Weld pin pushing mechanism.
83. Weld handle to rotation pin.
84. Mark rotation pin location.
85. Mount handle and push pin and bolt down.
86. Put on stops and set screws.
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:
LifeTrac Prototype II Completed from Marcin Jakubowski on Vimeo.
See corresponding blog post - http://blog.opensourceecology.org/2010/09/lifetrac-prototype-ii-completed/