Author Topic: Knex Ball Machine - the attic  (Read 2221 times)

Offline smunt93

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Knex Ball Machine - the attic
« on: June 15, 2017, 11:04:16 pm »
So as some of you may know i moved house 6 months ago. The included moving my last model - the nexus (albeit in sections). The plan was to reassemble the model in the garage but that didn't happen. Instead, i now have this space instead (see picture bellow).

So I am kicking on my new ball machine in this space. My plan is to re-use a lot of the elements from the nexus (not a big fan of building from scratch each time). Hopefully, i will use this thread as a mini-blog detailing as I go along.

The focus for my new machine is to work around the space and to focus more on speed i.e. more lifts moving the ball at a much faster space. I also acquired another 10,000 parts or so and I didn't use any of my metallic pieces (~10,000 or so) so this machine should be a lot bigger!


Offline Sorunome

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Re: Knex Ball Machine - the attic
« Reply #1 on: June 16, 2017, 05:51:29 pm »
Good luck on building it! That space sure looks intersting for a ball machine ^.^
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Offline GWorks

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Re: Knex Ball Machine - the attic
« Reply #2 on: June 16, 2017, 07:39:30 pm »
Cool.
Would be impressive if you could do something with the triangular shapes of the attic!
Good luck building :)
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Offline smunt93

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Re: Knex Ball Machine - the attic
« Reply #3 on: December 29, 2017, 02:35:21 pm »
first video update!

&feature=youtu.be

Offline smunt93

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Re: Knex Ball Machine - the attic
« Reply #4 on: January 05, 2018, 05:01:17 pm »
Another update:


Offline Lexi Knex

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Re: Knex Ball Machine - the attic
« Reply #5 on: January 06, 2018, 07:31:56 pm »
wow ! looks sick and it's an awesome idea ! good job  :D
find the N

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Offline Mister Gears

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Re: Knex Ball Machine - the attic
« Reply #6 on: January 09, 2018, 08:40:25 pm »
I like the concept :-)

Offline smunt93

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Re: Knex Ball Machine - the attic
« Reply #7 on: February 03, 2018, 11:20:24 pm »
Another update:

&t=1s

Offline YoloSweggLord

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Re: Knex Ball Machine - the attic
« Reply #8 on: February 04, 2018, 12:13:21 am »
Right now the sliding structure is heavier on the side with the attached wheelbase, so sliding it out of the way still keeps it stable. But I see a potential problem where elements added onto the sliding platform could shift the center of mass far enough over that it goes past the static wheel supports connected to the towers when the platform is pushed out of the way. I recommend adding another set of tires onto the moving platform on the other side of the static wheels so that this doesn’t become an issue.
Edit: sorry for upside down picture, it was right side up on my phone.

Offline smunt93

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Re: Knex Ball Machine - the attic
« Reply #9 on: February 04, 2018, 06:26:10 pm »
Thanks for the advice! I have allready some more runners on the right hand side, so that when its closed its still supported etc. I cant use wheels on the floor that side because the floor is un-even :( . One of the joys of working in my attic is there so many compromises. Il upload another video soon showing it working properly :D

Offline Tornado96

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Re: Knex Ball Machine - the attic
« Reply #10 on: February 04, 2018, 10:36:16 pm »
Ball machines are really tricky to give feedback for. They're really different from roller coasters and rides in that way. For a roller coaster there is still a concept of shaping that needs to be worked on and critiqued even in a custom ride.

Ball machines can be anything, so they're really tricky to give feedback for.

I think the thing I'm enjoying the most about this build is its mobility. You've thought of some creative ways to get around the constraints you have in your building space. I also really like the mechanisms you've created to direct ball flow throughout the machine.

It reminds me a bit of those metal railing ball machine displays at museums where kids can pull a lever and change the path of a ball.

Excited to see what you'll do with the paths!

Offline smunt93

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Re: Knex Ball Machine - the attic
« Reply #11 on: February 05, 2018, 10:15:19 am »
Thanks for the feedback really apreciate it!

The space is a real pain but also a nice challange. :D

Offline smunt93

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Re: Knex Ball Machine - the attic
« Reply #12 on: February 09, 2018, 08:07:03 pm »

Offline Mister Gears

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Re: Knex Ball Machine - the attic
« Reply #13 on: February 10, 2018, 08:09:05 pm »
nice mechanism ^^

Offline smunt93

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Re: Knex Ball Machine - the attic
« Reply #14 on: April 01, 2018, 11:23:06 pm »