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Old 01-22-2022, 12:07 AM
pufferfish pufferfish is offline
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Join Date: Dec 2021
Location: Cologne, Germany
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Default Building an Excavator from Scratch

Hi,

actually my Mining Dumper is completed for 98 percent and just waiting for spring to get some small details out of my resin printer.

But playing only with a dumper is quickly boring. So I need a suitable loading vehicle. After some research I decide to build a tracked excavator. From scratch of course.

I don't have any experiences with excavators so the complete project will be a great challenge.

First, i would like to say that it will be a fantasy rig, no original, no liebherr, no cat. Just a little big monster with tracks and a bucket on the other end.

My goals are learning much about excavators and get a feeling for this, for me, new genre.


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All starts with the tracks. Researches show me, that real scale tracks are very expensive. Too expensive for a project whose ending is doubtful.

So I've ordered a standard industrial chain with brackets to hold the crawler plates





The form isn't flat like the real chains so i've to use a simple trick to prevent the running wheels from hopping.

I orderded simple small chain wheels and cut the half of the teeth.


So it will be a smooth rolling with the ability to hop over a little stone.

The holders of the tracks and their wheels follows

10 blocks of aluminium


shaped


drilled and provided with bushings and axles


mounted on a stainless sheet.
(The complete holder will get a optical more suitable hull later.)



shortly before christmas i've made a little cardboard model to get a feeling for sizes. the table has 120cm length

__________________
Regards
Ralf

Last edited by pufferfish; 01-23-2022 at 12:16 PM.
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