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This is a KNEX arm lift I made that easily brings the balls up to good height. This is my first Instructable I've made on how to build ...
Here's how to build the first side of the main tower, kind of simple. Be sure to look at the close-ups.
Here's the other side of the main tower. Be sure to look at the close-ups once more.
Now, get the stuff you built in Steps 1 & 2 and put them together as shown.
This is what the balls will roll on to be picked up by the arms.
This automatically rotates the arms around and around. REMEMBER: You don't have to use the Battery-Powered Motor I used. You can use a different motor if you have ...
Here are the two arms that'll pick up the balls.
Now, take the stuff you built from Steps 4-6 and look closely at how to attach these three things to the tower.
This is what the balls will land on after the arms bring the balls to their summit.
Now, attach the exit track to the tower, as shown.
The dispenser starts out the thingy that dispenses the balls one by one so 2+ balls aren't on the Ark at once.
This is the extra pathing that will be added to the Ark and is needed support to the dispenser.
This is the motor part that will help to automatically dispense the balls one by one. Pretty simple.
Now, take what you built from Steps 10-12 and see how to put all this on the tower.
Congratulations! You now have your own, yet awesome arm lift. Now, just load some balls into the dispenser, turn on the motors in the correct direction, and watch ...
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