Introduction: Knex Door Lift Instructions

Picture of Knex Door Lift Instructions
finally here are the instructions for my famous door lift. i hope it's all clear enough and good luck!
sorry for bad quality pictures

part list:
grey rod: 6
red rod: 32
yellow rod: 85
blue rod: 116
white rod: 57
green rod: 152
white connector: 21
blue connector: 34
purple connector: 89
yellow connector: 58
green connector: 11
red connector: 30
grey (2) connector: 22
orange connector: 53
grey (1) connector: 36
tan clip: 21
blue metal clip without pin: 8
black rod end clip: 18
black hinge part: 6
orange clip: 2
spacer: 29
ring: 93
red gear (grey one): 3
blue gear: 3
12v motor + white gear: 1
total: 987

Step 1: The Base

Picture of The Base

Step 2: The Middle

Picture of The Middle

the middle has two components almost the same.

Step 3: The Top

Picture of The Top

Step 4: Connect

Picture of Connect

connect the three parts

Step 5: Pushers

Picture of Pushers

the pushers is the main part of the door lift.
the pushers work from both sides, the side where the motor is, and the other side.

Step 6: Connect the Pushers

Picture of Connect the Pushers

connect the pushers with this thing.

Step 7: Gears and Motor

Picture of Gears and Motor

this is the part where the motor drives the door lift.

Step 8: Congratulations!

Picture of Congratulations!

you just finished the door lift. have fun!
i hope it was clear enough.


MisterBukweet (author)2017-04-30

I'm working on a new design for this lift... Instead of the pushers being on the slider rods, I'm working on creating a cart that the pushers roll on. I think it will work with less friction and run smoother... pics soon, I hope.

www139 (author)2014-08-15

cool lot of pieces though. :D

Awesome lift! Sadly, it doesn't work well with golf balls because they're too heavy. :(

jameshond (author)2012-04-05

werkt deze lift ook met big air ball tower balls

Ik heb het geprobeerd maar dat werkt niet

oke bedankt :)

sandroknexmaster (author)2012-06-13

Coole lift ik heb hem gebouwd en hij werkt perfect! Ik ga hem gebruiken in mijn volgende knex ball machine.

Knex1235 (author)2011-12-14

do you need that motor

martijnb95 (author)Knex12352011-12-21

no you can use every knex motor that's powerfull enough. otherwise you need to gear it down.

RNB (author)martijnb952012-03-20

Can I use these pictures for the Official Guide to Ball Machine Lifts?

martijnb95 (author)RNB2012-03-20

sure, every picture you can find you may use for the guide :)

RNB (author)martijnb952012-03-20

Thanks! I'll tell when it is done!

RNB (author)RNB2012-03-20

Same goes for rolling arm and parallel arm lift. (tell me if you have more lifts!)

The Cannoneer (author)2011-11-23


cool knex13 (author)2011-11-18

very good

martijnb95 (author)cool knex132011-11-18


knexpert#10829476 (author)2011-11-14

Best lift ever!

thanks man!

apples!!!!! (author)2011-11-14

Well-built. I like it.

martijnb95 (author)apples!!!!!2011-11-14

thanks X)

Sorunome (author)2011-11-12

I just wanted to sub you but then I noticed that I am already subbing you! :D

martijnb95 (author)Sorunome2011-11-12

hehe, unfortunately you can't sub twice :)

i wish you could

Hehe, everyone will get twice as much subbers =>

that would be great lol

Yeah, but everyone will know you're faking....


ilpug (author)2011-11-12

Awesome! now all you need is a chute to send the ball back down to the original starting position, and you have a continuous loop!

martijnb95 (author)ilpug2011-11-13

well, i did. it's called elevation, and it's 10 times bigger :)

bosniaguy (author)2011-11-12


martijnb95 (author)bosniaguy2011-11-12

thanks ! )

KneXtreme (author)2011-11-12

Cool :)

martijnb95 (author)KneXtreme2011-11-12

Thanks :)

TheAwesomestDude (author)2011-11-12

best lift ever for me be cuase it uses a small amount of pieces and still goes high

part list is above, a grand total of 987 parts. that's more than i expected.

Thanks a lot, part list is coming soon, so than you will know how many parts it uses.

~KGB~ (author)2011-11-12

Looks great! =D

martijnb95 (author)~KGB~2011-11-12

Thanks =>

~KGB~ (author)martijnb952011-11-12


ryry2011 (author)2011-11-12


martijnb95 (author)ryry20112011-11-12

Thanks :)

About This Instructable




Bio: [back in buisness] Hello people! My name is Martijn. Welcome to my page. Here you will find various knex items i have built, mostly ball ... More »
More by martijnb95:New knex ball lift: Video and instructions (name contest)parallel arm lift instructionsknex golden gate bridge+instructions
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