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  1. Steinbruchsoldat

    Quadrotrac

    Sure you can. I`ll be 24 in about a month. Besides from a little bit of turning and welding i learned at school i teached everything myself. Julian
  2. Steinbruchsoldat

    Quadrotrac

    Originally i wanted to use 5"x5" square tubing, but when i was ordering it, i realized i had about 30yards of 2 3/8" tubing. So i couldn`t justify to spend like $150 on the square tubing. Continued working on the cage today: Wasn`t really happy with the notching on the mill, so i brought out...
  3. Steinbruchsoldat

    Quadrotrac

    Continued working on the cage today: This is why i love my coldsaw:
  4. Steinbruchsoldat

    Quadrotrac

    Wasted a lot of time trying to get the clutch working before i quit and decided to just use a longer cable. Then i started building the cage:
  5. Steinbruchsoldat

    Quadrotrac

    Can`t let the boom idea go. There`s some room on the right of the cab where i could mount a strong mounting beam: Boom would be like this: This is the first sketch: Would like to hear some thoughts...
  6. Steinbruchsoldat

    Quadrotrac

    Finished the mill: Now it`s time for the Quadrotrac again. Started by cutting the mounts for the right axle: Had to redo the main beam because i used a 5mm instead of 4mm wall tubing an the slide out wouldn`t go in: Track tensioner: Turned down the wheel bearings, because the center...
  7. Steinbruchsoldat

    Quadrotrac

    Sorry, how could i miss that: Well, big ********** mean a lot of bytes in the model, it just got too big to work with. Also you guys should look at the Quadrotrac, if there`s a nice girl in there,everyone looks just at it. :Wow1::ylsmoke:
  8. Steinbruchsoldat

    Quadrotrac

    So, here`s the final plan:
  9. Steinbruchsoldat

    Quadrotrac

    Started by steamcleaning the cab today: Came out better than i thought it would: Just the sheetmetal where the door hinges were is rusted out, everything else is going to be replaced either way or is in good condition. Then i put it on the chassis table: It`s a perfect fit, i`m a...
  10. Steinbruchsoldat

    Quadrotrac

    Thanks guys. Think i`m just gonna try it... Had a look at the cab today. Well, it fit`s right on. Exactly as wide as the frame and only 4" longer. I`d call that a perfect fit. This is why i bought it. Otherwise i wouldn`t, because it`s in worse shape than it looked at the pictures. Going to see...
  11. Steinbruchsoldat

    Quadrotrac

    Thanks guys. Will probably go down to .118 tubing, add a diagonal and some sheetmetal gussets on the back. Was busy working on my mill. Added a vertical milling head and a new vfd. Need to finish wiring it tomorrow and then i`m back on track on the Quadrotrac: Some time ago our old mini...
  12. Steinbruchsoldat

    Quadrotrac

    Played a bit with Sketch Up. This is the rear car model: Cage will be 2x2" tubing. What wall should i use? Is 0,157" enough or should i go 0,196". Does it need more triangulation? Like a x in the rear? Front will the tied in the joint.
  13. Steinbruchsoldat

    Quadrotrac

    Stupid thumb is annoying me. Makes me insanely slow and i really hate that... :mad3: Managed to fabricate some parts for the right axle today:
  14. Steinbruchsoldat

    Quadrotrac

    Thats what the bogie axles are for. Almost every articulated vehicle has this type of joint, why shouldn't it work on this vehicle? There are about 200lbs of steel just on the pivot.
  15. Steinbruchsoldat

    Quadrotrac

    Cut off the axle because there were some design flaws. One of them was too much play between both tubes: The track tensioner: Put it back on and put a track on to check for clearance: Here you can see why i need to redo the track:
  16. Steinbruchsoldat

    Quadrotrac

    It`s a boom like on the newer JCB and Volvo skidsteers but with an additional pivot. It takes some room, but doesn`t matter with one seat and there`s no way to put in another one even without it.
  17. Steinbruchsoldat

    Quadrotrac

    Thanks for your answer. Not sure if i should go with some kind af lexan or real glass... Finished machining the parts for the right walking beam assembly: Started drawing the front car in Sketchup yesterday, but it seemed there`s not much room in it. Had some nice weather today, so i...
  18. Steinbruchsoldat

    Quadrotrac

    Come on guys, really hoped to get some help from you .I`m just not experienced enought in cage designing... Turned the outer bushing parts today:
  19. Steinbruchsoldat

    Quadrotrac

    Turned the two hubs for the right axle: And cut all the parts: Wan`t happy with the cut from the hacksaw when i made the last set of bushings. So i bought a slotting saw for the mill, but had to make an arbor first: And cut it: I like that a lot better: Also got the parts for...
  20. Steinbruchsoldat

    Quadrotrac

    Continued working on the bogie axle: Tacked together: Cardboard engineering: Cut: Together. Still needs some triangulation: A bit of movement, about half way to the bump stops:
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