90 ton 1/14 metal excavator scratch build w/embedded PC

[Lil Giants]

Originally Posted by SteinHDan

I also found that the set screw was loose, so the backlash is only about half of what you see in the video when the set screw is tight.

Do you have flat spots on the shaft for the set screws to anchor to? Blue locktite is adequate to keep set screws tight! But the locktite will also seep around shaft & mounted part too making it a real bytch! to get apart again. Maybe you don't want to add that just yet during testing phases, eh?