Cardboard and Duct Tape Car
ฝัง
- เผยแพร่เมื่อ 17 พ.ค. 2015
- Last November beastysharpiito asked "Think you could make a car out of cardboard and duct tape ". It's been a while but I finally got to it.
Main components
-
Cardboard box
bbq Skewers
Duct Tape
Rubber bands
Main Tools
-
Scissors
Pencil + Compass
Sharp knife
Some help files
Rubber Band Car Hints and Tips • Put a rubber band on i...
Making the CD wheels • Helpfile - How to use ...
CD Wheels with Cardboard Hubs • CD Wheels with Cardboa...
Putting rubber tyres on CDs • Helpfile - how to put ...
Connecting rubber bands • Helpfile - Joining rub...
Connecting the band to the axle • Connecting a Rubber Ba...
Helpfiles for rubber band powered cars • Put a rubber band on i...
Put a rubber band on it playlists
Cars • Put a rubber band on i...
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Rubber Band Cars with bottle cap wheels • Rubber Band Cars with ...
Rubber band cars with 3 wheels • Rubber Band Cars with ...
Radio Control Rubber Band Power • Radio Control Rubber B...
People Carrying Rubber Band Powered Cars • People Carrying Rubber...
Here is a selection of related playlists
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Rubber Band Power playlist • Rubber band power
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Rubber Band Power Planes • Rubber Band Power Airc...
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Rubber Band Powered Boats • Rubber Band Powered Boats
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Playlists
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GrandadsOtherChannel youtube.com/@GrandadsOtherCha...
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Fgbvvbnv
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Thanks we really have a lack of materials and it was a Project for our school so Thanks 🤗!
Thank you, there are some useful links in the video description.
We were also going to the a project
Easy work broski
😁
nice vid
Thank you 😊
Also, I will be making this for my project but I just wanted to know if the car would still work if I replaced the pencils with wooden circular chopsticks/bamboo skewers!
Would be very grateful if you reply!!🙌
PLS REPLY
@littlegobby yes, I would recommend bamboo skewers. Much better than pencils as long as they are not too thin. I am using bamboo skewers in this video, so is this the car you are talking about? You will find lots of information in the video description, including links to my Putarubberbandonit channel where I put all my new rubber powered projects.
I will try doing this
Good luck, there are useful links in the video description 👍
@@GrandadIsAnOldMan ok
i did it but not perfect as yours i wish i can show you
nice car
Thank you
Thanks you bro
Thank you
can you make a tape measure self propelled car?
Here you are th-cam.com/video/dPkr-c8XMk4/w-d-xo.html
great
Thank you 😊
Hello! By any chance could you try to design an Eco-friendly toy car?!
🙂
Is this car able to hold 1 pound ??
Probably, depends how well you build it. It will also depend on how thick you bbq skewers are, as they will take the weight. I have a playlist (in the video description) called Carrying Dropping Pushing Pulling Stopping playlist - th-cam.com/play/PLA5a2xPRSrB04L6RpUAs5akmK3jqmahPL.html which has quite a few cars built specifically to carry weight
I want to make this for my cat...does it holds my cat weighs
Exactly how would I know the weight of your cat? I suggest you make one and find out.
My son tried this but it doesn’t move. Can you offer suggestions?
I can give you a whole long list of possible issues. If nothing moves then the chances are that the axle holes are too tight so the axles don't spin freely. Another common problem is the wheels are rubbing against the body work causing too much friction. Try just pushing the car forwards by hand to make sure it runs freely without the rubber band. Good luck. 👍 I will now paste my standard list for Fault Finding on a Rubber Band Powered Car
1. The rubber band does not connect to the front axle, some people misunderstand the videos and attach the rubber band to the front axle as a convenient anchor. That stops the axle turning. Make a different anchor point, study the video again.
2. Does the car run forwards freely if you just push it without the rubber band connected?
If it does not, make sure that the axles are free where they pass through the body. You may need to enlarge the holes where the axle goes through the body or use larger tubes for the axles to go through.
Are your wheels round with no flat spots. You may need to trim them.
3. Do the wheels rub against the body of the car?
If they do, the friction will slow the car or even stop it moving.
Put some spacers on the axle between the wheels and the body to keep the wheels clear. Discs or washers cut from plastic or cardboard should work.
4. Do the wheels spin evenly when you watch them?
If your axles do not pass through the centres of the wheels, the wheels will not spin evenly and this makes it harder for the car to run, so you will need to make new axle holes, taking more care finding the exact centre.
6. When you wind the rubber band round the axle do the wheels turn at the same time or are they slipping on the axle?
If the wheels are slipping on the axle, the rubber band will unwind without the wheels turning on the ground. You need to do something to stop them slipping. Glue them to the axle or wrap tape round the axle where the wheels are to hold them in place.
7. When you release the car it does not move, but if you lift it in the air, the rubber band unwinds and the wheels spin OK.
Either the ground is too rough or the car is too heavy. Try the car on a smooth surface, make the car lighter, add more rubber bands.
7. Wheel spin. When you release the car, do the wheels spin without the car moving forward?
You do not have enough grip on your wheels. Either add some weight to the car to help the grip or put something on the wheels to improve the grip.
Things that will improve grip - hot glue all the way around the rim like a tyre. Rubber bands stretched across the wheel. A strip of rubber cut from a balloon stretched around the edge of the wheel. Strip of rubber cut from washing up gloves or disposable rubber gloves.
8. Trouble connecting the rubber band to the back axle? Glue a short stick to the axle to act as a hook for connecting the rubber band.
We are trying to construct a rubber powered car that can go as "far" as possible. It doesn't have to be fast. It just has to travel as far as possible and as "straight" as possible. Can you please recommend me a design? Or at least give me a general idea of what critical points I should be aware of while designing my car?
This is a fairly regular question.
I am assuming you have some set criteria for number of rubber bands and size of vehicle so putting those aside. The first point about travelling fast or a long distance is minimising your friction because that is what wastes your power.
1. Friction caused by badly aligned wheels rubbing on the bodywork should be easy to fix by adding spacers to keep the wheels clear.
2. Friction where the axle is attached to the bodywork is reduced by making sure the axle bearing surfaces are something that does not bind together. Wood and cardboard are not good. Metal surfaces are better. Steel and brass is good. Ball race bearings would be even better. Whatever you have, even if it is just wood and cardboard, you can improve by making sure there is clearance so they do not jam together and maybe rub some graphite from a pencil where they make contact might help.
3. Friction with the wheels to the ground can be a mixed blessing. Minimise the friction of the front wheels by using very thin wheels, however you may need some grip to ensure they keep the car going straight. The same applies to the back wheels, assuming you are using the back wheels as the drive wheels. However if they do not have enough grip they will spin under power and that is all wasted energy. Thin wheels with rubber tyres would be best in that case.
Larger wheels take more effort to get them turning but once moving they have the momentum to keep rolling when the rubber bands have finished. You could experiment with different sizes to see which work best.
You could use some sort of gearing to start with a large gear to get the wheel moving and then a smaller gear to maintain the motion. There are some examples in my playlists.
Reducing unnecessary weight by trimming the bodywork a little may help but make sure you don't loose grip and start the wheels spinning if the body is too light. It may bend or break under tension so be careful.
Another trick I have found helps is to stretch the rubber band as you wind it round the axle so you get more turns round the axle, this can make a significant difference compared to just winding the band normally.
If you can only use a short rubber band, connect it to the axle using thin string so the string winds round the axle stretching the rubber band. Thin string will give you more turns round the axle than thick string.
This simple one does 12 metres th-cam.com/video/pIO3FiHX4Oc/w-d-xo.html with just 1 size 64 rubber band.
There are several reasons the car might turn to the right - or left - here are some I can think of.
1. Your front axle is not parallel to your back axle so the car has an inbuilt turn. A quick check would be simply to push the car forwards without the bands connected and see if it turns.
2. When you tension the rubber band the body or the axle is flexing creating a turn. Try winding the band to one side of the axle. Looking from the back if you wind it on the right it pulls the right side of the axle forward turning the car right. If you wind it on the left it pulls the left side of the axle forward and the car goes left. th-cam.com/video/IErkUylbG9c/w-d-xo.html
3. Probably most likely, the wheels are spinning under power allowing the back of the car to slide to one side. Fix this by adding extra grip to the wheels such as a strip cut from a balloon or rubber gloves stretched around the rim of the wheel to provide a rubber tyre. Here is a link that shows this th-cam.com/video/ZnuPnveCbxs/w-d-xo.html
4. The front wheels are sliding sideways under power, fix this the same as '3' above.
5. One or more of your wheels are binding on the side of the car causing it to turn.
6. One or more of your wheels are not round and the unevenness is causing the car to skip and turn.
7. Your wheels are not the same size so the car turns towards the smallest wheel.
8. Your axles are not level with the ground and the car is running on only 2 or 3 wheels. This may be the body flexing and not show until the rubber bands are wound up and under tension.
The two most important factors for acceleration and speed over a short distance are the power of your motor and the grip of your wheels. If you don't have the power then your car will not move fast but if your wheels don't grip then any extra power will just spin the wheels and the car won't move. If you have a fixed amount of power by being limited to the number and size of bands you can use then you can increase your acceleration by enlarging your back axle. I wrap stuff around the axle to make it thicker. That will increase the acceleration but probably reduce the total distance your car will travel. If you are only going a short distance that probably won't matter. You can also use smaller wheels to increase acceleration but you will find it even harder to get good grip with smaller wheels.
Some helpfiles
Making the CD wheels th-cam.com/video/ZRrjBuWfmrM/w-d-xo.html
CD Wheels with Cardboard Hubs th-cam.com/video/Js1rtn2IGTE/w-d-xo.html
Putting rubber tyres on CDs th-cam.com/video/ZnuPnveCbxs/w-d-xo.html
Connecting rubber bands th-cam.com/video/EbYuhdwknbs/w-d-xo.html
Connecting the band to the axle th-cam.com/video/0wPYxloUFJQ/w-d-xo.html
GrandadIsAnOldMan With some help from his dad, he finally had a workable prototype. We used thicker cardboard with wheels and taped it more on both sides of the wheels. It worked best on carpet! Thanks for the great idea!
@@christinacreel3721 that is brilliant, well done all of you. I try to avoid cardboard wheels unless I am specifically asked to use them, they always seem to warp. As I showed in my previous reply, there is such a long list of things that can cause a problem, it can be very satisfying to get your car running.
@@christinacreel3721 Just a final thought, if it working best on carpet, then is sounds like you were getting wheel spin. That is too much power or the wheels are too small in diameter or the car is too light or the front axle is jamming. Putting rubber tyres on the wheels will increase the grip, or adding some weight at the back will help. (All covered in the first long reply)
How do you fix the steering?
There are two main reasons a rubber band car may veer off to one side. The FIRST and most obvious is that you haven't got the front and back axles parallel. In this car you could remove the front wheels and enlarge the axle hole on one side to help it straighten up. If it is really bad you could stick another piece of cardboard over the area where the hole is and make a new hole in the right position. The SECOND reason is that when you wind up the rubber band it is bending the back axle and that is making the car steer to one side. The fix for that is either be careful as you wind it up to distribute the tension evenly OR use a thicker back axle so it does not bend under tension. This video may help th-cam.com/video/IErkUylbG9c/w-d-xo.html
Thanks a lot! *like*
Do Know if it can reach exactly 6ft
If you want a car to travel exactly 6 ft then you need to add a brake. Here is my playlist of cars with brakes th-cam.com/play/PLA5a2xPRSrB3MyidvKMT3DqU1vNy9Atsf.html
what is the rubber
band for
The rubber band stores the energy to power the car.
What are the sizes for the parts?
I used dimensions that allowed me to build the car from the box I had available. The wheels would have been about the size of a CD, so about 5" diameter. The tray looks a bit wider than the wheels, so probably 6" across and about 10" long. The sides were probably 1.5" high, maybe 2". You would adjust the dimensions to fit whatever box you have found.
🎉🎉🎉🎉🎉
You might like my other channel Putarubberbandonit youtube.com/@Putarubberbandonit/playlists
Is this 6 year ago?
Edit: Pls answer and thank
It was published 18th May 2015
Thanks so much
How do l put the elestie
On the wheel or on the axle? It is shown clearly at 07:29 there is also a link in the video description to a video showing how to do it.
hum isme dust tape ke alawa koi aur tape use nhi kr sakte
use glue
Why wont my wheels move?
Most likely friction, somewhere. Or your rubber bands are not strong enough. Here is a video where I put a lot of advice in the video description th-cam.com/video/cw6MrBy7nCo/w-d-xo.html and this one might help too th-cam.com/video/sBFPnXUh7Oo/w-d-xo.html
It is not working
It works for me. Have a look in the video description for helpful tips and links. Alternatively tell me what your problem is and I may be able to help you.
Make a car from clay
I don't currently have any suitable clay. It would be best to make it from clay that you can bake hard or that goes hard on it's own. Any of the softer clays would need a rigid frame inside and that seems like cheating. I did make a car from Ice a long time ago
Ice Block Car - gravity powered th-cam.com/video/N9S49KMwXmI/w-d-xo.html
Ice Block Car Melting - Time Lapse th-cam.com/video/iv4j3178ovE/w-d-xo.html
Supply
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You sound like professor snape
I guess if your only experience of other people's accent is by watching Harry Potter films then you have to make comparisons based on that.
GrandadIsAnOldMan lol no
Nicholas Prystupa :)
hello
Hi 😊
lukas I have a good day
It doesn't work
Have you any idea what the problem might be? The most likely problem is the holes you made for the axles are too tight and the axles can't turn when the rubber band is trying to unwind. The next most likely problem is your wheels are rubbing on the side of the car causing too much friction and they can't turn. Lift the car off the floor and try spinning the wheels. Do they spin freely? Front and back? You may need to move the wheels out a bit on the axles to make sure they don't rub.
@@GrandadIsAnOldMan the while hole is tight I just poked it in
@@kahlilmorgan5545 if you make it bigger then it should work OK 🙂👍
@@GrandadIsAnOldMan ok thx
@@GrandadIsAnOldMan will masking tape work instead of duct tape
Pagal
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He is calling you mad/mental in Hindi !!!! @@GrandadIsAnOldMan
@@littlegobby every comment counts in the TH-cam algorithm 🤣👍
😂😂@@GrandadIsAnOldMan
Also, I will be making this for my project but I just wanted to know if the car would still work if I replaced the pencils with wooden circular chopsticks/bamboo skewers!
Would be very grateful if you reply!!🙌