Author Topic: K'nex Ball Machine Impossible  (Read 119 times)

Offline www139

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K'nex Ball Machine Impossible
« on: March 21, 2017, 12:30:14 am »
K'nex Ball Machine Impossible
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Hi there!
After 10 months of work, we're proud to present you our biggest k'nex ball machine: Impossible! This is by far our biggest k'nex ball machine ever, and has: 13 paths, 7 lifts divided into 2 networks. The whole thing runs on 2 motors, but a 3rd is necessary for an element. It is kind of confusing how the lifts are divided, so I'll tell you how it works. The first motor runs the top 2 arm lifts, and the wheel lift in network 1, and the chain lift in network 2. The second motor runs the first and second lift in network 2, the bottom arm lift in network 1, and the separator for network 1.
Some stats:
Height: 2.31 meters (7' 7'')
With and depth: 91 cm (3')
Number of pieces: 21,727
Number of balls: 20
Number of motors: 3
If you have any questions/comments, feel free to leave a comment or PM us.
This instructable is now an entry in the "Make it Move" contest. If you feel like it, would you vote for it? It would be much appreciated.
Thanks for watching/looking!
www139
Instructions for the new elements: https://www.instructables.com/id/knex-ball-machine-Impossible-elements/
Instructions for the separator: https://www.instructables.com/id/Compact-Separator-a-Knex-Ball-Machine-Separator/
Instructions for the first new lift: https://www.instructables.com/id/Short-Start-Arm-Lift-a-Knex-Ball-Machine-Lift/
Instructions for the second new lift: https://www.instructables.com/id/Spinning-Push-Lift-a-Knex-Ball-Machine-Lift/
Instructions for the third new lift: https://www.instructables.com/id/Versatile-Chainsaw-Lift-a-Knex-Ball-Machine-Lift/


Took quite a while to get this over to kf...no idea why...maybe I'm just lazy... *yawn*
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Offline The Maker

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Re: K'nex Ball Machine Impossible
« Reply #1 on: March 21, 2017, 01:09:13 am »
Wow, how did you get this many pieces and how much money did it cost?

Offline Random_Builder

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Re: K'nex Ball Machine Impossible
« Reply #2 on: March 21, 2017, 02:23:02 am »
This is a pretty good ball machine! Is this just an import form instructables? It says it is in a contest, and it says you just completed it.
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Offline www139

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Re: K'nex Ball Machine Impossible
« Reply #3 on: March 21, 2017, 03:33:14 am »
@Random_Builder oh, gosh, forgot to edit it...yes it is. -_-



@The Maker It took about...6 years to collect the pieces, with the biggest increase in 2015. Not really that much money, though; we got most of them on eBay for a fraction of the cost of new pieces.

Edit Sorunome: merged double-post
« Last Edit: March 21, 2017, 02:14:17 pm by Sorunome »
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Offline The Maker

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Re: K'nex Ball Machine Impossible
« Reply #4 on: March 21, 2017, 03:42:14 pm »
www139, what is the best way to get rollercoaster tubing cheap?

Offline Random_Builder

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Re: K'nex Ball Machine Impossible
« Reply #5 on: March 21, 2017, 04:01:21 pm »
www139, what is the best way to get rollercoaster tubing cheap?
Ebay
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Offline www139

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Re: K'nex Ball Machine Impossible
« Reply #6 on: March 21, 2017, 05:23:15 pm »
www139, what is the best way to get rollercoaster tubing cheap?

Yeah, as @Random_Builder said, eBay is the best place. ;)
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