Author Topic: Sliding Arms lift  (Read 5155 times)

Offline mathsboy314

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Sliding Arms lift
« on: January 04, 2016, 11:49:46 am »
Sliding Arms
Ball Machine Lift
View Instruction


This lift is more for show than for practicality. It uses many gears (like the jigsaw lift) which is why I cannot make it bigger. Maybe you could. Send me a picture if you do.



This lift system should be extendable to any height.
« Last Edit: January 04, 2016, 11:55:16 am by mathsboy314 »

Offline Northern Fields

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Re: Sliding Arms lift
« Reply #1 on: January 04, 2016, 04:17:59 pm »
I like it nice design to use the sliding rods I'm sure with a more powerful motor and more gears it could be bigger ?

Offline popcorn537

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Re: Sliding Arms lift
« Reply #2 on: January 07, 2016, 08:56:31 am »
This is a hard problem to solve (with knex). I was trying to use train wheels as an inspiration, but there's a lot of slop everywhere.


Offline mathsboy314

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Re: Sliding Arms lift
« Reply #3 on: January 08, 2016, 10:56:09 am »
Armtek Gizmos has an idea, except when I tried this the gears slipped too often.


https://www.youtube.com/watch?v=8w8-bVDWXP4

Offline Sorunome

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Re: Sliding Arms lift
« Reply #4 on: January 09, 2016, 01:42:27 am »
Nice lift, I like it! :D
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Offline sandroknexmaster

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Re: Sliding Arms lift
« Reply #5 on: January 11, 2016, 08:08:31 pm »
Looks good!

Offline Linkin_J_Knex

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Re: Sliding Arms lift
« Reply #6 on: January 12, 2016, 08:05:18 pm »
Cool looking lift =) :D
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Offline popcorn537

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Re: Sliding Arms lift
« Reply #7 on: January 17, 2016, 08:13:23 am »
WAIT MATHSBOYPI, THATS IT, YOU JUST HAVE TO CREATE A SIGNIFICANTLY HIGHER MOMENT OF INERTIA ABOUT ALL THE POINTS IN THE SYSTEM AND THEN IT CAN WORK

Offline mathsboy314

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Re: Sliding Arms lift
« Reply #8 on: January 17, 2016, 11:53:56 am »
@popcorn537 So you're saying I need to make the crankshafts heavier?

Offline www139

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Re: Sliding Arms lift
« Reply #9 on: October 25, 2016, 08:26:22 pm »
I remember when this came out and thinking that it was pretty cool but I never had a chance to give you my thoughts! I really like this! Do you think it would be possible make it higher by just keeping the pattern going? The arms themselves could act as counterweight, therefore only straining the motor when a ball is on the lift. To fix this, I guess you could make a motorized gate that lets out balls, say once every 2 rotations. ;)
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Offline mathsboy314

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Re: Sliding Arms lift
« Reply #10 on: October 26, 2016, 12:12:07 am »
Quote
Do you think it would be possible make it higher by just keeping the pattern going?
Yes. But I couldn't because I only have 7 gears which are the right size. If you decide to build a bigger version of this, please show me.