Build an Excavator from Scratch

[pufferfish]

Last post with pre-fabricated things.


i first attempt for crawler-plates. they need some improvements



the large bolt for the rotary union



fits perfect


but with a bit weight n the upper base plate, the bolt tilted





so i've made today a counterpart to avoid this.


















Thats it. From now on my posts in this thread coming not so fast anymore

[pufferfish]

Finetuning of the crawler plates. 1,5mm between work and crash




70 times


no more collisions



last pic: first attempt of the teeth.
Not scale, i know. But they will make grip, I hope

[pufferfish]

Today, in an attack of work mania, I've made 140 threads and mounted the crawler plates for th first track.



Now I'm waiting for the next attack for the second track

[pufferfish]

The undercarriage gets his stabilizations.
Looks a bit rough, but later invisible.


Stable enough, I think
(The carriage isn't so small, my feet have size 16 1/2)


After this succesful test, the hull work started