LifeTrac II: Frame

Here are some additional details from Sean’s video documentation work regarding the frame of the open source tractor – LifeTrac – Prototype II. William discusses some of the details on the frame, which was introduced in a previous post. From Sean’s videos so far, I like this one the most so far for its aesthetic qualities. You can read more about LifeTrac Prototype I here.


  1. Edward Miller

    Using bolts is fabulous. Will there literally be no welding at all? You guys really are building an erector set for civilization, huh.

    1. Marcin

      There will be a few welds where bolts are impossible, such as wheel mounting plates – but the welds are not many.

  2. Manu Järvinen

    Very nicely made documentary material, good work Sean!
    Can’t wait to see the finished version 🙂
    This will be a huge benefit to OSE and hopefully attract a lot of new true fans

  3. Sean

    Thank you Manu, I just checked out your website and love your work. It means a lot coming from a talented animator like yourself!

  4. […] for Factor e Farm’s present fabrication of The Liberator open source CEB press and the LifeTrac open source tractor. For comparison, see earlier notes about our off-grid flex fab facility in a blog post from 2 years […]

  5. […] CEB press, The Liberator, and we’ve had significant progress on the open source tractor, LifeTrac Prototype II. We also deployed the first prototype of the heavy duty, open source drill press, which we’re […]

  6. Manu Järvinen

    Thank you very much Sean, I appreciate it very much : )

  7. […] is hard work, but it must be done for easy access to The Liberator, and it must be done only once. Sean and I will do complete video documentation of the build starting next […]

  8. LifeTrac II Update | Open Source Ecology

    […] are making good progress on LifeTrac – Prototype II of the open source tractor. We have managed to fund its completion via crowd funding. We’ve […]

  9. shodan

    if welding is a problem, then why not make a datalogging constant current/constant voltage AC/DC MIG+TIG+Plasma cutter with HF starting, controllable pulse duty water cooled open source welding machine ?

    it can’t be all that hard to vastly improve on the DIY designs and incorporate stuff from the commercial welders (and re-use some of their parts and consumables, like the tips and welding whips)

  10. […] is a rendering of Prototype II of the open source, design-for-disassembly tractor, LifeTrac. You can download the source in Blender […]

  11. Extreme Traction | Open Source Ecology

    […] have built and tested wheel tracks for LifeTrac Prototype II, the hydrauilically-driven, open source tractor. Now LifeTrac is able to handle […]

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