K'nex Pinball Machine

 by Alocke
Featured
Hey everyone!  I'm proud to present my latest project; a full sized, playable, arcade-style K'nex pinball machine!  It took around four months to complete and way too long to film.  Feel free to ask any questions and I hope you enjoy it as much as I enjoyed building it!  Comment and subscribe!

A couple notes:

There are three main "features" of the machine.  There are two holes in the floor leading to lifts.  The first path shown in the video is one of these holes, and it leads to a chain lift.  Out of the lift, the ball drops into a flipper and onto a tubed path which winds its way around the entire machine, then back into the middle of the machine where it gets slightly more complicated.

Another feature is next to the left flipper.  The ball drops underneath the machine, and a lift carries it all the way back to the top, where it drops onto the red/green track.

The last feature, which I spent the most time on, is the other hole in the floor.  The mill lift carries the ball to the top, and the ball then drops into a holder.  A second ball is required to release the first one, and both are carried up the back by two small chain lifts.  Once they drop off, they both descend the entire machine, going through a double loop, then another single loop to reach the table.  An interesting note about this feature is that one motor powers all three lifts.  There's a picture showing the gearbox that transmits power to the two small chain lifts.



 
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dickheijboer says: May 16, 2013. 10:23 AM
Massive! Huge!
metalsonic says: Apr 18, 2013. 11:16 AM
awsome !!!
dr. richtofen says: Feb 16, 2013. 2:12 AM
This is just beautiful! Amazing job!
BlueSuneLIght says: Nov 22, 2012. 5:50 AM
That is amazing!
Great Job!
btrog says: Nov 14, 2012. 7:43 AM
How do you do it?
kewrw28 says: Nov 7, 2012. 7:05 PM
That was worth every penny...The Mind Blower. Absolutly Fantastic.
JoJoJo00 says: Nov 4, 2012. 11:33 AM
Dude, no way!
AWESOME! What shadowman said!
SenKat says: Oct 18, 2012. 7:32 AM
OHMYGOD !!!! THAT is Splendicularilly Phantastikal ! Other than the obvious fortune you musta spent getting all of those parts together, the amount of time it took had to have been VAST ! Thanks for sharing, this is by far the most impressive machine I think I have EVER seen !
Alocke (author) in reply to SenKatOct 27, 2012. 10:01 PM
Thank you so much!
Edgar in reply to AlockeOct 28, 2012. 1:13 AM
:)
bunnydeath says: Oct 18, 2012. 11:16 AM
Wow, that's a lot of work. Beautifully done! I second the post on your patience.
Alocke (author) in reply to bunnydeathOct 27, 2012. 10:00 PM
Thank you so much! It's one of my favorite pastimes, especially after a crappy day at school. I just put in headphones and can build for hours on end :D
Edgar says: Oct 18, 2012. 9:14 AM
A great idea, and a great Video for watching, over 5 minutes time off and a Beer!

Gone to my Portuguese Gizmo Blog:
http://faz-voce-mesmo.blogspot.pt/2012/10/propriedade-industrial-o-livro-3d.html
Alocke (author) in reply to EdgarOct 27, 2012. 10:00 PM
Thank you so much!
KWHCoaster says: Oct 19, 2012. 7:01 PM
Wow!! Impressive. Even more impressive is the ability of those four leg to hold up all of that weight!!
Alocke (author) in reply to KWHCoasterOct 27, 2012. 9:59 PM
I've actually heard this from a couple of people. When I first started it, that thought wasn't even in my mind. The plastic that K'nex are made of are really really great in compression (think about trying to squish a blue rod by its ends), and not so great in tension (think pulling apart). From what I can tell, none of my rods were bent from the weight.
sandroknexmaster in reply to KWHCoasterOct 20, 2012. 10:46 AM
+1
www139 says: Oct 27, 2012. 6:31 AM
very cool and I like the filming job :D
Alocke (author) in reply to www139Oct 27, 2012. 9:56 PM
Thank you! This was the first thing I've really shot and edited entirely by myself, and I'm really happy with how it came out :)
Alocke (author) in reply to www139Oct 27, 2012. 9:56 PM
Thank you! This was the first thing I've really shot and edited entirely by myself, and I'm really happy with how it came out :)
audioadvisory38 says: Oct 21, 2012. 1:37 AM
Inspired, calming
MootScience says: Oct 20, 2012. 8:22 PM
How many tubs of knex did it take to build this?
Deseada says: Oct 19, 2012. 10:05 PM
Awesome... I totally agree with tjesse above. Inspiring.

Instruction is not just a step by step process that we lead people through, pointing out each step along the way. It is also the process of the mind in which discovery and imagination fires off and explodes outward in creativity.

What is the title of the song please? It has a very nice sense of discovery and playfulness to go along with your video, good choice.
Alocke (author) in reply to DeseadaOct 20, 2012. 9:55 AM
Thank you!

The song is Approaching Nirvana - Worth a Thousand Pictures
Deseada in reply to AlockeOct 20, 2012. 3:21 PM
Thank you! Already checking out their other titles on youtube. :)
knexpert#10829476 says: Oct 20, 2012. 12:52 PM
Holy Freakin Out!!
wanna beco says: Oct 19, 2012. 8:57 AM
I bet that video took as long to make as the pinball machine. Very nicely done. I'm so glad to see this kind of creativity!
jameshumig says: Oct 18, 2012. 7:48 PM
As an engineer, all I have to say is:

Where do you put the quarters?
...
And WOW, nice work!
Alocke (author) in reply to jameshumigOct 18, 2012. 9:17 PM
I really wanted to make it coin activated, but time was a big factor in this build. If time weren't an issue, I would have made it coin activated, as well as keep score. I also would have made it more like a typical pinball game, with bumpers, short tracks, and things on the playing field, but I ran out of time.
dubstepmaker says: Oct 18, 2012. 4:41 PM
wooooaaaaaa.... awesome awesome awesome!!
pdee-1 says: Oct 18, 2012. 12:31 PM
This is not a set of instructions and offers no useable information.

I don't know how much money this site gets promoting K'nex but it's enough to make me want to stop using it.

Go show off your toys elsewhere, if you wish to assist others in the development of DIY projects, get a new set of tools.

Don't get me wrong, this is kind of cool, but I don't see how this, or any other K'nex project is appropriate to this site.
Alocke (author) in reply to pdee-1Oct 18, 2012. 3:41 PM
You're right -- I don't have instructions for this. I posted it in an attempt to both show others what K'nex are capable of, as well as inspire others to push their own boundaries. If just one person decides to pursue a technical career due to the inspiration this post hopefully gives, then "no useable information" is not valid. By the way you spelled usable wrong. Your negativity is unnecessary and not welcome here, hence the "be nice" comment policy.
tjesse in reply to pdee-1Oct 18, 2012. 1:33 PM
This site offers a way for anyone to showcase their projects. Instructions for this may be useful for someone with the drive, skill, and time to do a project like this; however, someone with these qualities typically only need the inspiration and not a step-by-step tutorial. Toys like these have a place on this site due to the fact that they allow younger builders to explore the fundamentals of design, engineering and trial and error with only a minor degree difficulty (compared to other methods). I'm not saying that the person who built this was a child or unskilled, I am just merely defending the choice of using this site to display projects like these. I have heard stories about top engineers using erector sets in their work or were inspired as a kid by using such products.
Pdee-1, If you do decide to stop using this site, the DIY community will move on with your absence. For the record, the only time I have ever used this product was maybe a few times, I certainly have never bought K'nex or work for the K'nex company, but I do see there value.
Microbe in reply to pdee-1Oct 18, 2012. 12:56 PM
Looking at your list of negative comments and the fact that you have yet to actually post an instructable yourself, perhaps keeping silent is a better option.
RobTurrentine says: Oct 18, 2012. 2:25 PM
Just amazing. I'm all for posting things like this just because it opens up the mind to the possibilities that are out there. I don't see how you could explain how to build this anyway. The instructions for building a jet aircraft don't exist in any one place but they still get built. Thanks for sharing this with us!
chabias says: Oct 18, 2012. 12:00 PM
All I can say is 'WOW'! Just WOW!!

LMAO @ the person who asked 'where are the instructions?' Seriously?? LOL
jakmant1221 says: Oct 14, 2012. 3:17 PM
holy hell
bunnydeath in reply to jakmant1221Oct 18, 2012. 11:17 AM
pretty much!
Angelbane says: Oct 18, 2012. 9:58 AM
This is awesome but ... where are the instructions
torstenp16 says: Oct 18, 2012. 8:44 AM
This is amazing! I have a friend who used to be totally into k'nex, but he never got into stuff this awesome, he kind of just moved on...

I like how you were able to make all the different devices and features flow into each other. All the stuff I've been able to make is very modular and boring, because that's usually all you can do with k'nex.

I think you would make a fortune if you sold this to k'nex and they gave you royalties and such. you should definitely try!
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