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Picture of Knex Stair Lift
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I finally decided to post my stair lift. It's similar to the stair lift I used in Wipe Out, except for a few modifications. The steps sort of work like pistons, going up and down on rods of different length. Each rod is a green rod higher than the one before it. This one has an improved design since the last one, like better platforms and an enter and exit track. I also made it more reliable.

This lift also works with the newer balls.

EDIT:  This Instructable reached 4.13* within a day after posting.

Video:



I hope you like it!

Step 1: Parts List

Picture of Parts List
Before you begin building, you'll want to gather all of these pieces:

Rods:  296
green-85
white-81
blue-86
yellow-41
red-3

Connectors:  261
dark gray- 57
light gray-20
red-31
green-12
yellow-30
white-5
orange-28
blue-35
purple-43

Other:  122
blue spacer-47
silver spacer-43
Y clip-5
tan clip-23
(metallic) blue clip-1
red gear-1
blue gear-1
battery powered motor-1
balls-at least 1

Total:  679

If you have all these parts, then on to the next step!

 
1-40 of 193Next »
Blue Mullet 25 months ago

Could I possibly make this longer and higher?

Shadowman39 (author)  Blue Mullet 25 months ago

Yeah, I'm not sure what the limitations are though. I built one that was 5 stairs and it worked fine, and I think there have been 6-stair ones that work well too.

Hmm ok thanks for the reply.
trollface34 made it!1 year ago

I made it ..... again!!!!! like your cat it always gets in the picture!!!!!!!!!!!!!!!

picture005.jpg
Shadowman39 (author)  trollface341 year ago

Ha, looks good!

I've tried multiple times to make this 1....but it never lines up right :(
Shadowman39 (author)  shortordercookie869 months ago

Do you have any pictures of the parts that don't line up right?

my foot always gets in the picture

trollface34 made it!1 year ago

I made it ..... again!!!!! like your cat it always gets in the picture!!!!!!!!!!!!!!!

picture005.jpg
trollface34 made it!1 year ago

I made it ..... again!!!!! like your cat it always gets in the picture!!!!!!!!!!!!!!!

picture005.jpg
trollface34 made it!1 year ago

I made it ..... again!!!!! like your cat it always gets in the picture!!!!!!!!!!!!!!!

picture005.jpg
trollface34 made it!1 year ago

I made it ..... again!!!!! like your cat it always gets in the picture!!!!!!!!!!!!!!!

picture005.jpg
trollface34 made it!1 year ago

I made it ..... again!!!!! like your cat it always gets in the picture!!!!!!!!!!!!!!!

picture005.jpg

i've made it before and cause it was so good i'm making it again!!!!!!

Shadowman39 (author)  trollface341 year ago

Cool, thanks for building!

www1391 year ago

Here are some photos!

PIC_0130.JPGPIC_0131.JPGPIC_0132.JPGPIC_0133.JPGPIC_0134.JPGPIC_0135.JPG
Shadowman39 (author)  www1391 year ago

Looks nice, thanks for building!

oh thanks! it was also fun to build!!!

www1391 year ago

does it work with a green motor?

Shadowman39 (author)  www1391 year ago

Yes, you'll just have to modify it a bit.

I did it!!!! will show a picture!

ok! thanks! I have an old battery pack motor that runs ok but it squeals a lot. Glad to hear it will work!!!!

Miq3132 years ago
Is this part necessary in step 1
photo-2013-08-15 20:41.jpg
Shadowman39 (author)  Miq3132 years ago
No, that's just the piece counting step, so you don't have to build anything yet.
OZKNEX222 years ago
I built it worth pure genius
Shadowman39 (author)  OZKNEX222 years ago
Nice, thanks for building!
KNEX-pert3 years ago
COOOOOoooool! Awesome! You've built a great instructable!
In step 2 pic4, whats the black thing underneath the black snowflake connector? (2nd from left)
hi4524 years ago
I honestly had my doubts about this but I built it and it worked. Very nice job on the design.
Shadowman39 (author)  hi4524 years ago
Thanks!
albydesign4 years ago
Thats cool! 5* you deserve it! =D
Shadowman39 (author)  albydesign4 years ago
Thanks! :-)
No Problem, this is ingenious! =D
jman13564 years ago
what if u dont have have the red motor i have just a blue motor can i still run it
Shadowman39 (author)  jman13564 years ago
Yes, you'll just have to modify the motor section a bit.
MegaMetal84 years ago
My motor (Green one) Doesn't fit :-(
Isn't that motor too weak?
Ive built it now, Works just as fast as his
Shadowman39 (author)  MegaMetal84 years ago
It should fit in a green rod space. Just change the orange connectors on the side to white, and take out the blue spacers.
Ok
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