Changes made since version 3
+ lattice boom structure like on crawler cranes
+ string (yes, string)
+ Ackermann-like steering (almost; still needs a little human intervention to achieve)
+ stronger superstructure
So I found time and a new camera. Here is the instructable. There's also some photos of a 300g balance. Yay! I didn't bother doing a maximum testt - I wanted to see if it could carry anything at all. Maybe you can test its maximum capacity? ;)
Inspirations to this model:Supercar
- steering and chassisPicture of a crawler cranePicture of a crawler craneCrawler crane
Lego Technic 8460/8431/8438 and 8421 - outriggers
Total number of pieces: 2046
Just like version 3, I made this "backward"; that is, I photographed it while I was taking it apart. Also, pay attention to the comments in the photos.
Since there is no caption-option available (or I haven't found it), I have tagged almost every image. If there is anything that still looks confusing, feel free to leave a comment. As you can see, it's very lengthy, so make sure you have a lot of time.
It's kind of hybridized between a mobile truck crane and a crawler crane, since it uses the body of the truck but the crane of a crawler. Perhaps in the next version I'll try to make it more truck-like with whatever K'NEX hydraulic technique I can come up with.