Studio Scale AT AT With Full Animation Armature

Got some more parts made this weekend. The shoulder discs are done! These were the most challenging parts to machine so far. Took me 12 hours to make up the 5 parts along with a needed holding fixture. I am happy with how they turned out.

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I machined up an ABS upper leg to check fit and as a sanity check before committing to aluminum. Hope to have that part done next weekend.

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And here is the video of the whole machining process to make the discs. 12 hours condensed into 3 minutes! I know, I know. its like watching paint dry set to music. I like making the videos so I have a record of what all was done to make the part. And who knows, maybe you guys will find it interesting.

 
I got another set of leg parts machined! This time the upper leg. Next up will be making all the upper leg mechanism parts and buying all the screws that hold this thing together.
I had trouble getting a perfect cosmetic finish on the leg part. When these parts come off the mill, the machined surfaces are so shiny it's really hard to tell what they look like. I use some fine sand paper and steel wool to dull up the surface a bit so I can see what it actually looks like and photograph it. I still need to work on getting a totally uniform look. Ultimately totally unimportant but I like it when machined stuff looks prefect.

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The leg is starting to have some heft to it. I'm really liking that!

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I got another set of leg parts machined! This time the upper leg. Next up will be making all the upper leg mechanism parts and buying all the screws that hold this thing together.
I had trouble getting a perfect cosmetic finish on the leg part. When these parts come off the mill, the machined surfaces are so shiny it's really hard to tell what they look like. I use some fine sand paper and steel wool to dull up the surface a bit so I can see what it actually looks like and photograph it. I still need to work on getting a totally uniform look. Ultimately totally unimportant but I like it when machined stuff looks prefect.

View attachment 1671365
View attachment 1671364
The leg is starting to have some heft to it. I'm really liking that!

View attachment 1671363
Selling sets of these? ;)
 
I got another set of leg parts machined! This time the upper leg. Next up will be making all the upper leg mechanism parts and buying all the screws that hold this thing together.
I had trouble getting a perfect cosmetic finish on the leg part. When these parts come off the mill, the machined surfaces are so shiny it's really hard to tell what they look like. I use some fine sand paper and steel wool to dull up the surface a bit so I can see what it actually looks like and photograph it. I still need to work on getting a totally uniform look. Ultimately totally unimportant but I like it when machined stuff looks prefect.

View attachment 1671365
View attachment 1671364
The leg is starting to have some heft to it. I'm really liking that!

View attachment 1671363

That is looking amazing! I remember them saying in a documentary that the studio scale pyro version in the movies got up to 100 pounds. the weight caused the locking pins in the legs to not work, so they had to hoist it up.
 
Big C,
Similar to Sano, I just came across your thread. Love the Walker. “Obsessive Craziness” is a good self identifier. The mechanical design of the AT-AT’s is above and beyond. I envy your machining ability. Beautiful work on a extremely worthy subject.
 
Big C,
Similar to Sano, I just came across your thread. Love the Walker. “Obsessive Craziness” is a good self identifier. The mechanical design of the AT-AT’s is above and beyond. I envy your machining ability. Beautiful work on a extremely worthy subject.
Thanks! I've been having a lot of fun putting it together.
 
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