Center Arm Lift, a Knex Ball Machine Lift

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Introduction: Center Arm Lift, a Knex Ball Machine Lift

Hi knexers!

Here are the instructions for the third new lift in my knex ball machine Paradox.
The Center Arm Lift works good, and it has a low piece count (except for silver spacers).

This lift was originally invented by MechanicalCreationMaster in his ball machine Krypton (Original name: Freefall Wheel Lift)
The Center Arm Lift is based on this concept, so a lot of credit goes to him.

If you build this lift, read every image note! It will help you a lot!
If you have any problems or questions, feel free to comment or PM me.

Thanks for building or watching!

~Sandroknexmaster~

video:




Step 1: Piece Count

If you want you can count the pieces before you start building.
Here is a list with all pieces included in this lift, named by their original color:

RODS:

Green: 24
White: 8
Blue: 49
Yellow: 14
Red: 45
Grey: 25
Long flexi: 4

Total rods: 169

CONNECTORS:

Dark-grey: 11
Light-grey: 4
Orange: 4
Red: 19
Green: 8
Yellow: 29
White: 13
Purple: 41
Blue: 5

Total connectors: 134

OTHER:

Blue spacer: 23
Silver spacer: 66
Tan clip: 9
Blue clip: 2
Y-clip: 10
Small blue gear: 2
Medium red gear: 1
Big yellow gear: 1
Motor: 1

Total other: 115

Grand Total: 418

Step 2: Entrance

The balls will wait on this track to enter the lift.

Step 3: Motor Section

This part contains the motor and some gears.

Step 4: Ball Track

The ball will roll on this track when the arm pushes it up.

Step 5: Sides

These sides will keep the ball from falling of the arm.

Step 6: Axle and Arms

This step contains the axle and the arms.

Step 7: Rails

The ball will roll to the center on the rails.

Step 8: Exit

This is the exit track. This is the last step!

Step 9: Finished!

Your Center Arm Lift is finished!
Always slide the switch of the motor to the left!

You can always send me a picture of your Center Arm Lift, so I can add it to this step.

Thanks for building or watching!

~Sandroknexmaster~

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71 Comments

Cool man! My NK Sideliner is finished, and I modified your green path in it. I would have used one of your lifts but had to come up with my own because I don't have a gigantic yellow gear of doom. :( :P

Thanks!
Sounds awesome, I can't wait to see it!
I have some lifts without the big yellow gear ;D

Do you have any without any gears? All i have is chain gears and those little tiny grey gears.

What do yo mean with chain gears?
I don't have any lifts without any gears, but if you have a slow motor I think you can attach it directly to the axle (I'm talking about the Center Arm Lift only)

The black gears that link into a Knex chain, they come with the roller coaster sets.

But ok, if i build this ill attach it to the axle (i have a green motor, which is slow).

Here is some help ;) :

OPTION #1

Inverted Double Helix Lift - by Shadowman
This lift is great (for you) since it doesn't use gears

However, I'm guessing you don't have tubing, and thats why I thought ahead ;)

OPTION #2

Tower Helix Lift - by Sorunome
Although this has no instructions, I reckon you might be to rebuild this. It uses the same concept as the above lift, but with orange bendy rods instead.

OPTION #3

Right ok, you know the black gears you said have, are they the ones below? If so, you can build a vertical chain lift like in the photo below (taken from Galactic)

OPTION #4

Like Sandro said above, try and run a lift directly from the axle, using that slow green motor.

A personal favourite lift of mine I think you should use is this. I am not sure if this will be too fast for IaC ball lift, but this lift is very VERY reliable - I have made it before.

OPTION #5

The Slider Lift - by Mathsboy314
This was featured in Sandros ball machine Paradox I believe and it uses NO gears at all and is quite piece friendly to me :-)


I really hope these help Nerfrock'! Message me for any more problem - I'm happy to help :-)

K517900s.jpgFEHQETYHJ5ZYGRO.LARGE.jpg

That's some good help :p
Also, the blue motor is much slower than the green motor ;)

Ok, what is the fastest motor you know of?