bulletroof? i hope so
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the bucket links are done in a really quick and dirty way. they work but are very wobbly and a good portion of the hydraulic power goes not in the correct direction.
for a proper working they need more guidance.
Therefor i've turned some brass washers 10x15x1mm
and fitting bolts and screws . ( sorry no pic)
every joint is now backlash free and covered with brass bearings.