These last few days we have been wotking on the second open source tractor protytype – LifeTrac II – on Blender. Here is the progress so far.
The concept involves:
- front end loader and a back-end loader – doubles attachment flexibility
- 4 wheel drive with direct coupling of hydraulic motors to the wheel shafts
- modular Power Cube power source – 2 can be attached at the rear, 1 at the front
- Driver sits inside – frame functions as roll cage
This frame corresponds to 4x4x1/4″ tubing, with 3/4″ and 1″ bolts for the xyz corners. This is design-for-disassembly. Next steps include converting this drawing into a fabrication procedure – by converting the geometry into a list of bolt locations and other attachment locations. As soon as we have this, we can get the metal and start the build. The next drawing will have 8 inches added to the base width and the hydraulic cylinders will be mounted directly onto the the base frame. At the moment we have a good working height of the loaders – almost 10 feet high.