Introduction: Knex Archimedes Screw (knex Ball Machine Element)
this is a knex ball machine element
as the ball passes the archimedes screw turns
Step 1: The Supports
make these
Step 2: The Path
make these
Step 3: The Archimedes Screw
make these
connect the green rods to the yellow/gray connectors
Step 4: Assembly
Step 5: Congratulations
you cant make this higher because its not very sturdy
if you want to make it higher try to make the archimedes screw sturdy
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9 Comments
11 years ago on Introduction
what does it do
Reply 10 years ago on Introduction
when the ball slides down the path that blue thing turns
12 years ago on Introduction
nice ball machine
Reply 12 years ago on Introduction
this is not a ball machine but a ball machine element
12 years ago on Introduction
i had the same dising (little difrent) in my knex crane and that crain is like 25 years old :)
12 years ago on Introduction
I saw this on you tube but it was a little different
12 years ago on Introduction
you may not know this but that has been used by the knex company but this can be used as a lift:-)
12 years ago on Introduction
Nice design. Do you have pictures or video of it in operation (i.e., lifting balls)?
I'm not sure that "new" is entirely accurate, though it may very well be new to you.
K'nex has it in lesson 192 of their Teachers' Guides. It's also included in the K'nex "Exploring Machines" schools kit. And there's even a You Tube video of someone else's design.
12 years ago on Introduction
cool