Author Topic: [video] Knex Ball Machine Apocalypse  (Read 14751 times)

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Offline pimathbrainiac

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Re: New Knex Ball Machine
« Reply #75 on: June 29, 2013, 11:19:11 am »
A mechanical piston, wheels (or camCRANKshaft) drive shaft, which drive piston.

EDIT: like in a car
« Last Edit: June 29, 2013, 11:22:53 am by pimathbrainiac »
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Offline Sorunome

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Re: New Knex Ball Machine
« Reply #76 on: June 29, 2013, 11:21:58 am »
erm, a crank?
That has already been made :P

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Offline pimathbrainiac

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Re: New Knex Ball Machine
« Reply #77 on: June 29, 2013, 11:25:27 am »
Then I say computer controlled. I've got nothing else to offer :P

EDIT: I found this: just reverse the design:

EDIT 2: this page on wikipedia: http://en.wikipedia.org/wiki/Rhombic_drive
« Last Edit: June 29, 2013, 11:29:49 am by pimathbrainiac »
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Offline Sorunome

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Re: New Knex Ball Machine
« Reply #78 on: June 29, 2013, 11:30:03 am »
that still requires the cranks to be impractically huge for a lift this size

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Offline pimathbrainiac

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Re: New Knex Ball Machine
« Reply #79 on: June 29, 2013, 11:33:22 am »
What if it were flywheel-controlled (and just shot up the shaft?)
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Offline Sorunome

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Re: New Knex Ball Machine
« Reply #80 on: June 29, 2013, 11:35:57 am »
erm, shooting it up? Impracticle, to heavy
flywheel? what is that?

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Offline pimathbrainiac

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Re: New Knex Ball Machine
« Reply #81 on: June 29, 2013, 11:40:38 am »
Then I guess just computer control it. I can't change my vote, though.
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Offline Sorunome

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Re: New Knex Ball Machine
« Reply #82 on: June 29, 2013, 11:41:58 am »
wierd.
Well, any kind of launching is too impracticle due to the big weight, and cranks are also impractical due to the tall height, so it would require some mechanism to mechanically change direction and my current one decided to stop working, so.... :(

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Offline DJ Omnimaga

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Re: New Knex Ball Machine
« Reply #83 on: June 29, 2013, 01:09:02 pm »
If only K'nex had engines/motorized stuff that worked based on boolean logic and stuff, maybe a K'nex calculator would be possible (like Minecraft calculators)? O.O
« Last Edit: June 29, 2013, 01:09:29 pm by DJ Omnimaga »
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Offline Sorunome

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Re: New Knex Ball Machine
« Reply #84 on: June 29, 2013, 03:11:58 pm »
There have already been made knex calulatores, but only for adding numbers, working purley mechanical.

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Offline Sorunome

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Re: New Knex Ball Machine
« Reply #85 on: June 30, 2013, 05:54:01 pm »
So yeah, even though that elevator lift is still unresolved, i still did progress in other parts of the machine with some lifts.
I especially like how the ring lift is just so empty in the whole
As always, pics are attached.

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Offline Sorunome

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Re: New Knex Ball Machine
« Reply #86 on: July 03, 2013, 03:06:18 pm »
I got AWESOME news, thanks to a AWESOME knex'er called Shadomwn39 (how is actually a good friend of mine, but i never met him IRL :/ ) I managed to fix the elevator lift - well, more that shadowman told me a idea he used in his, because we two are inventing the same lift at the same time :O

So yeah, now I need to make the balls exit :)
« Last Edit: July 03, 2013, 03:06:37 pm by Sorunome »

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Offline Streetwalrus

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Re: New Knex Ball Machine
« Reply #87 on: July 03, 2013, 03:10:34 pm »
Pretty cool to hear ! :D
send it

Offline willrandship

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Re: New Knex Ball Machine
« Reply #88 on: July 03, 2013, 03:10:42 pm »
Was there something wrong with using a motor+knex chain system for the lift?

Offline Sorunome

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Re: New Knex Ball Machine
« Reply #89 on: July 03, 2013, 03:12:22 pm »
Was there something wrong with using a motor+knex chain system for the lift?
erm ,you mean isntead of using the string a chain? It wouldn't look that good IMO.

And the problem is pretty hard to explain, sorry, I wish I could.....but the mechanism is so dence that I can't even take decent pics of it to help me explain, so meh :/

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