[ please give me a vote for the contest if you like the instructable, thanks]

I always wanted to do this project but in all the guides i always found that

you need some kind of wood cutting skills and/or tools. So I decided to

make a simple hydraulic robot with cardboard, reinforce and hold by duct

tape that anyone can do.

Duct tape not only is strong but also looks pretty cool; it gives the robot a

cool metal like look and it holds everything together really good.

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of-cardboard-and-scotch-duct-/?ALLSTEPS)

(http://cdn.instructables.com/F4B/MLCM/GGPEU4YC/F4BMLCMGGPEU4YC.LARGE.jpg)

About This Instructable

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Step 1: What you are going to need!

FOR THE BODY OF THE ROBOT:

- Cardboard box (the harder the better, I used a pizza box but you can used

any type because we are going to reinforced with the duct tape)

- Scotch Duct tape (I like the silver because the metal like look)

- 3 machine screws 3 inches in size with nuts

- 2 machine screws 1 inches in size with nuts

- A flat and square piece is wood ideally 12 inches by 12 inches for the base

to attach the robot

FOR THE HYDRAULIC SYSTEM:

- 8 syringes (you can get them at any pharmacy without prescription just say

you need the type that is use for cough medicine, you cant put a needle on

those. I got mines at CVS and Walgreens for free)

- 6 feet of clear tubing x .170 (got mine at home depot for $3)

- Water

TOOLS:

- Scissor

- Ruler

- Pen

- Drill

Step 2: Draw the template

Recommendations

(http://cdn.instructables.com/F43/ADGZ/GGPFC9ZQ/F43ADGZGGPFC9ZQ.LARGE.jpg)

(http://cdn.instructables.com/F8Q/WRDX/GGPFCA42/F8QWRDXGGPFCA42.LARGE.jpg)

(/id/Fake-glass-bottleSugar-glass)

hydraulic (/tag/type-id/category-

technology/keyw ord-hydraulic/)

robot (/tag/type-id/category-technology/keyw ord-

robot/)

arm (/tag/type-id/category-technology/keyw ord-

arm/)

duct tape (/tag/type-id/category-

technology/keyw ord-duct tape/)

cardboard (/tag/type-id/category-

technology/keyw ord-cardboard/)

Tags:

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Prepare your bottle Prepare for hanging

Now draw the template on the cardboard, these are the measures that I used

but you can change them to make a smaller or bigger robot.

From the template cut out:

2 x A piece

2 X B piece

2 x C piece

2 x D piece

1 x E piece

These are the main parts of the body and the rest of the parts are going to

be made as you go because they depend on the thickness of your cardboard

and how many layers of duct tape you use. Because I used thick pizza box I

only needed one layer.

Step 3: Reinforce you parts

Now that you have all you parts cut out you have to reinforce them. First

cover one side of a piece with duct tape and the cut the extra tape, the cover

the other side and cut the extra tape.

Repeat this for all the parts, if your cardboard is not strong enough repeat

this step putting more layers of tape until you are satisfied with your result.

Step 4: Start building

(http://cdn.instructables.com/FZ5/OLJF/GGPEYKUM/FZ5OLJFGGPEYKUM.LARGE.jpg)

(http://cdn.instructables.com/FAE/R3XZ/GGPF4KMZ/FAER3XZGGPF4KMZ.LARGE.jpg)

(http://cdn.instructables.com/FE6/65SV/GGPEU69L/FE665SVGGPEU69L.LARGE.jpg)

(http://cdn.instructables.com/FV4/GT55/GGPFCA4P/FV4GT55GGPFCA4P.LARGE.jpg)

(http://cdn.instructables.com/F31/VPXN/GGPEYKX5/F31VPXNGGPEYKX5.LARGE.jpg)

Now the best part, when you see that your robot starts taking shape.

The next piece you have to make is a cube that is going to hold together the

bottom of the 2 A pieces

For my robot I used a cube that is 3 inches wide by 1 inch sides (cube= 4

sides)

After you cut and fold the cube reinforce it with tape.

Step 5: Continue building

(http://cdn.instructables.com/FM0/6L50/GGPEU6EZ/FM06L50GGPEU6EZ.LARGE.jpg)

(http://cdn.instructables.com/FCS/WGWQ/GGPF4KZX/FCSWGWQGGPF4KZX.LARGE.jpg)

(http://cdn.instructables.com/FXJ/6AS5/GGPEYKZG/FXJ6AS5GGPEYKZG.LARGE.jpg)

(http://cdn.instructables.com/FBH/3CBE/GGPEU6N9/FBH3CBEGGPEU6N9.LARGE.jpg)

The reinforce cube needs to be attached to the bottom of the A piece (the

bottom is the longer part 3)

First attach it to one piece and then the other.

Put your piece in the floor to make sure the cube is level before taping.

The technique i use for taping i call it L taping, look at the picture so you can

understand better.

Next attach the "A+CUBE+A" piece to the 6" circle base using L taping (use

as much tape as you think is necessary to get a strong hold )

Step 6: Make your next cube and holder for the first syringe

(http://cdn.instructables.com/FQS/SUDU/GGPEYL2X/FQSSUDUGGPEYL2X.LARGE.jpg)

(http://cdn.instructables.com/FXB/VFNF/GGPEU6P9/FXBVFNFGGPEU6P9.LARGE.jpg)

(http://cdn.instructables.com/FQO/7NLV/GGPEU6PE/FQO7NLVGGPEU6PE.LARGE.jpg)

(http://cdn.instructables.com/FW9/UJUQ/GGPEU6S7/FW9UJUQGGPEU6S7.LARGE.jpg)

Premier Sober Livinglagunabeachsoberliving.com

Providing a Safe & Sober

Environment For You To Recover!

(http://www.pinterest.com/pin/create/button/?url=http%3A%2F%2Fwww.instructables.com%2Fid%2FHydraulic-

robot-made-

of-cardboard-

and-

scotch-duct-

%2F%3FALLSTEPS&media=http%3A%2F%2Fcdn.instructables.com%2FFW9%2FUJUQ%2FGGPEU6S7%2FFW9UJUQGGPEU6S7.MEDIUM.jpg&description=Picture%20of%20Make%20your%20next%20cube%20and%20holder%20for%20the%20first%20syringe)

Hydraulic robot made of cardboard and scotch duct tape. by Nelson_Yepez(/member/Nelson_Yepez/)

(/contest/ducttape/) (/contest/kinetic/)

+ Collection I Made it!

Download (/id/Hydraulic-robot-made-of-cardboard-and-scotch-duct-/?download=pdf)

13 Steps

Favorite

(/id/Hydraulic-robot-made-of-cardboard-and-scotch-duct-/)

Hold your two B pieces on the inside of the A+CUBE+A piece and

measure the space between them, that is how wide your cube needs to be.

Now make your cube with your new size following step 4

( in my case my new cube is 2 1/2" wide)

keep the 1 inch measure for the sides of the cube.

After making your cube attach it to the B piece leaving 1 inch space from

the end.

Next depending on the thickness of your cardboard make 2 or more squares

as wide as your first cube (in my case 3 inches) by 1 inch long and tape them

together , this will be taped to the middle of the A+CUBE+A piece to hold

the syringe.

Place the square vertical and give it just a little of an angle.

Step 7: Build next part and next cube

Repeat the beginning of step 6 but with the "C" pieces. Hold you C pieces

on the inside of the of the B+CUBE+B piece and measure the space

between them, that is how wide your cube needs to be (in my case 2 inches

wide) by 1 inch long for the sides.

Reinforce the cube and the attach it to the corner of the "C" pieces.

(http://cdn.instructables.com/FX8/AWN1/GGPEU6W2/FX8AWN1GGPEU6W2.LARGE.jpg)

(http://cdn.instructables.com/FKC/2JCM/GGPEYLB1/FKC2JCMGGPEYLB1.LARGE.jpg)

(http://cdn.instructables.com/FWH/V89U/GGPEYLFC/FWHV89UGGPEYLFC.LARGE.jpg)

(http://cdn.instructables.com/FPJ/MFCG/GGPEYLDG/FPJMFCGGGPEYLDG.LARGE.jpg)

(http://cdn.instructables.com/FBF/B0VM/GGPEU755/FBFB0VMGGPEU755.LARGE.jpg)

Step 8: Make the holder for the claw and the claw

(http://cdn.instructables.com/FKJ/9TXY/GGPFCAYG/FKJ9TXYGGPFCAYG.LARGE.jpg)

(http://cdn.instructables.com/FBG/G7U4/GGPFCAYH/FBGG7U4GGPFCAYH.LARGE.jpg)

(http://cdn.instructables.com/FJN/BNTB/GGPEU77R/FJNBNTBGGPEU77R.LARGE.jpg)

(http://cdn.instructables.com/F7O/8V2I/GGPF4MHB/F7O8V2IGGPF4MHB.LARGE.jpg)

(http://cdn.instructables.com/F3F/F66N/GGPEYLLD/F3FF66NGGPEYLLD.LARGE.jpg)

(http://cdn.instructables.com/FCL/HCDL/GGPEYLXJ/FCLHCDLGGPEYLXJ.LARGE.jpg)

(http://cdn.instructables.com/F0F/NNXM/GGPEU7D3/F0FNNXMGGPEU7D3.LARGE.jpg)

Now you have to make the holder for the claw that goes between the

C+CUBE+C piece.

The holder is a rectangular cube that is 4 inches long and the sides are 2

inches by inch.

follow the same steps in step 4 and the attach to the front of the

"C+CUBE+C" piece flush with the front.

Now make the claw, the "D" piece. depending on the thickness of your

cardboard you need to put as many layers of cardboard and tape as you

want until you get a strong claw (in my case 2 layers of cardboard and one of

tape)

Make hole in both parts of the claw large enough for your 1 1/4" screw

Now make a hole in the front corner of the claw holder in the "C+CUBE+C"

piece

Put you screws and attach the claw parts.

At this point you should be half way there, hold the parts on their place and

drill you have to drill in the joints of the robot across the inside of the cubes

and place you screws.

Step 9: Attach to base and make hydraulic system 1st syringe

(http://cdn.instructables.com/FKS/326I/GGPF4N1O/FKS326IGGPF4N1O.LARGE.jpg)

(http://cdn.instructables.com/F1Y/00JM/GGPF4MKB/F1Y00JMGGPF4MKB.LARGE.jpg)

(http://cdn.instructables.com/F5S/ATUZ/GGPEYLNR/F5SATUZGGPEYLNR.LARGE.jpg)

(http://cdn.instructables.com/F1L/RG7N/GGPF4NB1/F1LRG7NGGPF4NB1.LARGE.jpg)

(http://cdn.instructables.com/FB0/KXVC/GGPF4NB0/FB0KXVCGGPF4NB0.LARGE.jpg)

(http://cdn.instructables.com/FJA/ETT3/GGPF4NB2/FJAETT3GGPF4NB2.LARGE.jpg)

Now attach the robot to the base.

Drill in the middle of the cube at the bottom of the "A+CUBE+A" piece and on

the wood for the base and put your 3" screw.

Now to start with the Hydraulic system.

Attach you first syringe to you holder on the "A+CUBE+A" piece (just like the

picture)

Now cut two pieces as wide as your second cube by 1/2 inch tape them

together and attach this to the 1 inch space you left in the "B+CUBE+B"

piece (just like the picture)

then put a pin in that new piece and tape around it then tight a piece of rope

to the pin and from there to the syringe tight and cut, make sure the arm is

down and the syringe is all the way out to get the right length of your rope

(refer to picture for better understanding)

Step 10: Second syringe

(http://cdn.instructables.com/F6I/YOBH/GGPEU87X/F6IYOBHGGPEU87X.LARGE.jpg)

(http://cdn.instructables.com/FQO/CD64/GGPF4NL9/FQOCD64GGPF4NL9.LARGE.jpg)

(http://cdn.instructables.com/FUD/KREX/GGPEU8A4/FUDKREXGGPEU8A4.LARGE.jpg)

(http://cdn.instructables.com/FHS/VH0P/GGPEU8AN/FHSVH0PGGPEU8AN.LARGE.jpg)

(http://cdn.instructables.com/FCE/L2MT/GGPEU8AD/FCEL2MTGGPEU8AD.LARGE.jpg)

(http://cdn.instructables.com/FTH/0QSQ/GGPFCBBT/FTH0QSQGGPFCBBT.LARGE.jpg)

For the second syringe you need to make a holder in the top part of the

"C+CUBE+C" piece.

Use the same procedure as step 9, make sure the arm is down and the

syringe out to get the right length for the rope.

This is completely adjustable depending on how high or how low you want

your arm to move, play around with the length of the rope to find out what

works best for your robot

Step 11: Syringe for the claw

The syringe for the claw is going to be directly attached to the claw with duct

tape, make sure the duct tape is not too tight so the claw can move freely.

Step 12: Syringe to turn the arm

(http://cdn.instructables.com/FP9/7FF6/GGPEYLXI/FP97FF6GGPEYLXI.LARGE.jpg)

(http://cdn.instructables.com/F8Y/X4EW/GGPFCBBV/F8YX4EWGGPFCBBV.LARGE.jpg)

(http://cdn.instructables.com/FR0/1U12/GGPEU8JK/FR01U12GGPEU8JK.LARGE.jpg)

(http://cdn.instructables.com/FJ4/DHY9/GGPEYLXT/FJ4DHY9GGPEYLXT.LARGE.jpg)

(http://cdn.instructables.com/FBQ/XAP1/GGPEU8JN/FBQXAP1GGPEU8JN.LARGE.jpg)

At the base of the robot attach a pin and the a syringe about 3 inches from

the pin

Attach a wire from the pin to the syringe when the syringe moves makes the

arm rotate left or right.

Now tape to the wood base 3 syringes next to each other, each of these are

to be connected to the syringes in the arm.

Step 13: Run the tubing to all syringes

(http://cdn.instructables.com/FG1/GZG5/GGPF4QQE/FG1GZG5GGPF4QQE.LARGE.jpg)

(http://cdn.instructables.com/FQG/AHED/GGPEU8P9/FQGAHEDGGPEU8P9.LARGE.jpg)

(http://cdn.instructables.com/FVC/0VSC/GGPF4QQF/FVC0VSCGGPF4QQF.LARGE.jpg)

(http://cdn.instructables.com/FH8/N7W3/GGPFCBI0/FH8N7W3GGPFCBI0.LARGE.jpg)

Make Comment

(/member/rstackhouse/)

1 month ago Reply (CJ2EZPHHV9FW7E0)

(/member/adavis82/)

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(/member/peanutman192/)

3 months ago Reply (CDGOZEJHTQN8II4)

(/member/swapnil1997/)

2 years ago Reply (CJQZ3CKGWNWHCJ2)

(/member/ROBBYNATOS/)

4 months ago Reply (CLAMLPUHSE947IL)

Run the tubing to all the syringes and the fill with water and enjoy.

Watch the video to see the project done.

http://www.youtube.com/watch?v=njzjZBsjY-k

1-40 of120

Next (http://www.instructables.com/id/Hydraulic-robot-made-of-cardboard-and-scotch-duct-/?&sort=ACTIVE&limit=40&offset=40#DISCUSS)

rstackhouse (/member/rstackhouse/)

After already having purchased hardware for this project, I see we used the samediameter & thread pitch (#10-32) screws (I didn't see the package with the size on itin the photo before), but you might consider putting the diameter & thread pitch inaddition to the length in the instructions to eliminate guesswork.

adavis82 (/member/adavis82/)

Has this problem been solved before if yes how can you apply the information to yoursolution? Include material and machanisms or devices in your answer if no then

include the materials and mechanisms or devices that would use to solve the problem

peanutman192 (/member/peanutman192/)

what is your research question

what is your hypothesis

what is your independent variable

what is your dependent varible please respon

swapnil1997 (/member/swapnil1997/)

how to fill the water in tube can u just tell me.....we are trying but the air gets in so howto do it just tell us .....PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! so that our project get selected

for science fair....!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!

ROBBYNATOS (/member/ROBBYNATOS/) swapnil1997

take the push tab out of both syringes,then connect them by a tube, fill thetube with water and place one of thetabs into its respective syringe. Thenfill the other syringe with water over a

sink, allowing the water to overflow

(http://cdn.instructables.com/F7K/OLLU/GGPF4QZI/F7KOLLUGGPF4QZI.LARGE.jpg)

(http://cdn.instructables.com/FRM/H6HE/GGPEYLZ4/FRMH6HEGGPEYLZ4.LARGE.jpg)

(http://cdn.instructables.com/F25/N9IG/GHN8CZVX/F25N9IGGHN8CZVX.LARGE.jpg)

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(/member/WYE_Lance/)

2 years ago Reply (CMDYDPKGXZXTQFY)

(/member/parth331999/)

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(/member/rehman0078699/)

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(/member/Nelson_Yepez/)

3 years ago Reply (C2U0LLGGKS0SSL5)

and when it begins to overflow insertthe other push tab while the water isflowing.

WYE_Lance (/member/WYE_Lance/) swapnil1997

for 10ml syringes:1. Fill up one syringe all of theway2. attach the tubing and push

water through it to remove air3. with the end of the tubingsubmerged, fill back up to 10ml4. attach the other syringe. Younow have a simple hydraulic

system

For smaller than 10ml you mayneed to remove air from thetubing by utilizing the siphon

principle

Hope this helps!

parth331999 (/member/parth331999/)

nice one..................its awesome but i am having problem with the syringes

there air is remaining in the syringes so its not working properly

plse reply ............................................what to do!!!!!

parth331999 (/member/parth331999/)

nice one..................its awesome but i am having problem with the syringes

there air is remaining in the syringes so its not working properly

plse reply ............................................what to do!!!!!

parth331999 (/member/parth331999/)

johnnyalbrite (/member/johnnyalbrite/)

also, the water keeps leaking out of the syringes. how did you attach the tubes andsyringes together?

rehman0078699 (/member/rehman0078699/) johnnyalbrite

u might be using syringes with thewrong type of nozzle

Nelson_Yepez (/member/Nelson_Yepez/) (author) johnnyalbrite

Thanks, the way you set up thetubes it up to you. The only reallyadvise i can give you is makesure that the tube is long enough,

the best way is to measure withall the parts of the arm fullystretched out.As far as holding the syringes, thediameter of my tube happened to

fit perfect the tip of my syringe,not to tight not to loose. If this isnot your case you can just usesome hot glue gun.

good luck with your science fair.

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1 year ago Reply (CY49ONUHAWSLWZC)

its really cool but i think it would be really helpful if u put the template original size co

that we can print it out especially for the claw it is really confusing. but its a reallly cool and time passing activity thanks.

Relax don't worry if u have an ipodtouch or any touch device, set its

brightness to full, open the picture ofthe claw template and trace on apiece of paper the claw. so yeah,Apple ROCKSSSSSSSSSSSSS! (Idid it in the same way, for last yearsscience fair and it was gr8)

(http://cdn.instructables.com/FH5/NK3K/HRGP6M2Y/FH5NK3KHRGP6M2Y.LARGE.jpg)

hrishi ramakrishna (/member/hrishi+ramakrishna/)

nice instrutable...... i enjoyed doin it.....

manasisgreat (/member/manasisgreat/)

HATS OFF TO YOU ........THE HYDRAULIC STRUCTURE IS SUPERB FROM WHERE DID YOU PURCHASED DUCT TAPE

nroy7 (/member/nroy7/)

cool!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

pchua1 (/member/pchua1/)

COOL!! Can you please give me your e-mail so I can keep in touch with you? I will tryto do this tomorrow! PLEASE!

pchua1 (/member/pchua1/)

COOL!! Can you please give me your e-mail so I can keep in touch with you? I try tothis tomorrow! PLEASE!

vtadepalli (/member/vtadepalli/)

wow this is reallly coooool!!!!!!!!!!!!!!

DrippySpaff (/member/DrippySpaff/)

Really Terrible. My dog went into my lap and took a poo and his peepee fell off thanhe died

DrippySpaff (/member/DrippySpaff/)

top

araish (/member/araish/)

i just want to know that.......where did u get these colourful pins

ppanchal1 (/member/ppanchal1/) araish

rehman0078699 (/member/rehman0078699/) made it! rahuln3000

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2 years ago Reply (CS06J6DGQBCIRXE)

u cn get it at ur local stationers'

Prerit22 (/member/Prerit22/)

Where can you get plastic tubes from ?????.?

Hannah.tringale! (/member/Hannah.tringale%21/)

awesome robotic/hydrolic arm! How muchweight does can it hold up to?

rocketsurgery (/member/rocketsurgery/)

So good... well done... great pictures! Thanks for posting!

sdsddsdsdssdds (/member/sdsddsdsdssdds/) rocketsurgery

So good... well done... great pictures!

Thanks for posting!

sdsddsdsdssdds (/member/sdsddsdsdssdds/)

what do we need about dill

swapnil1997 (/member/swapnil1997/)

HATS OFF TO YOU SIR .........THE HYDRAULIC STRUCTURE ISSUPERB..........HATS OFF!!!!!!!!!!!!!!!!!! HATS OFF..........GOOD JOB!!!!!!!!!!!!....

jsmichinski (/member/jsmichinski/)

Right? i thought at first that mabye the wire is sturdy, so it wont bend and friction willmove it??? but im not entirely sure

hshah7 (/member/hshah7/)

Hey Nelson its really good to guide any one....man. ..I..I really like itand did you any b.tech level projects?

cjrockz (/member/cjrockz/)

Thanks so much we had to build a hyrdrolic robot for technology and my group wasstuck on what to do until we saw this!! It hasnt been marked yet but hoping for reallygood marks it looks so cool!! Thanks again

athiraskumar (/member/athiraskumar/)

thanks a lot sir. i was in a big confusion to make a project for physics. and you havemade my day today. once again thanks. please bless me to complete it successfully.and sir i need some similar nice nice projects for biology and geography too. in

geography the topic given to us is globalization.sir pls reply soon. athira

FuzzyBearGeek (/member/FuzzyBearGeek/)

Fantastic. Way to go!!!!

Sooraj C (/member/Sooraj+C/)

This is fantastic and useful can u sent this into my account please

my account -csooraj007@yahoo.in

vfabrero (/member/vfabrero/)

your project is fantastic...very innovative........good job.

(/member/doomday341/)

3 years ago Reply (CN83AMJGPVEVFPB)

(/member/Justdoofus/)

3 years ago Reply (C70CDW1GM552E3H)

(/member/johnnyalbrite/)

3 years ago Reply (C7569APGKS0SVZ6)

Make Comment

doomday341 (/member/doomday341/)

im almost done with this project, but i altered it and added this --->http://www.instructables.com/id/Paper-Claw-20/

Justdoofus (/member/Justdoofus/)

You are extraordinarily endowed, my friend. I am pleased to see things like this beingmade. It truly puts a smile on my face. I like the initiative of using syringes and water. Itried air, and that worked virtuous too. A reduced amount of weight that it could lift,

nevertheless.. it works.

johnnyalbrite (/member/johnnyalbrite/)

what are the strings for and how do ypou put them on?

xoxoxoxojohnny