What Wheels Should My Robot Use?

Let's Make Robots Tutorials
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@Vipin VG Suggest creating a new topic on the RobotShop Forum with details of the environment / application (photos / dimensions etc). Will there be bends in the pipe? A T-intersection? The more info you can provide, the better we can help.

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Hi Dear Coleman Benson,
My name is Ferdi Caner Bayram and currently I have been trying to design a tri-star wheel for my robot in order to climb a 25 cm obstacle. But I cannot do the necessary calculations to design it. The thing that I am challenging is to decide the radius of wheel and the radius of tri-star wheel. Do you have any suggestions for that ? Any website that could help me ?

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@Ferdi Caner BAYRAM Unfortunately not. Very little experience with those calculations. A quick online search does not seem to give much information. You can create a new topic on the RobotShop Forum to see if the community can provide some insight.

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I would like to build a robot like the mars curosity rover with the arduino board from the mbot. But I am confused if I should use 12V DC motor or Continuous Rotation Servos? I have the design on the robot, but unsure of the diameter of the wheel required. I have seen the link to the driver motor sizing tool. Please do advice.

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@Nisha We see you have many questions - we propose you create a new topic on the RobotShop Forum with all of your questions and what you would like to create and we would be happy to answer there.

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i want to make a robot which can mive on stair please tell me which type of whells we need to use

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@rohit It’s actually incredibly hard for a wheeled robot to climb stairs. Successful designs have relied on additional mechanical structures to raise / lower each wheel (Mars Rover-esque). You might prefer a “brute force” appraoch of using tracks, or a heavily modified large wheel with “legs” to reach above each step.

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If i want to make robot tank, what type of wheel i must to use??

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@gigih You would likely need “sprockets” which mesh with specific tracks. There are also some tracks (a lot harder to find) which wrap around normal wheels and use friction.

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Sir, what type of tyres to use if conducting a tug of war on road made of coal tar or cement

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@Kartik - This will be totally up to you since the wight / size of your robot will have huge impact.

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@Kartik You might consider rubber tank tracks for the most contact area.

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Thanks for this useful information. what type of wheel should be used for a 4 wheels mobile robot on steel mesh floor? Thanks

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@Mohamed It depends on the gap in the floor. For a smoother ride, something wrapped in rubber, but not air filled should be good. Note however that a four wheel robot pushes on the surface from the side, so if you choose a soft wheel, it might get “chewed up”. You might want to consider a 2WD + caster design.

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I am building an obstacle avoiding car. It will have one caster and two rear wheels? What wheels should I use?

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@Napster The choice of wheel depends on the size and weight of the robot, and the surfaces it will move on. Feel free to start a new topic on the RobotShop Forum with details so we can help you make a selection.

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I have been given a assignment to design(not model) a Line following robot to be used in industry of 3m length and 1.5m width,Speed not to exceed 2m/s, load carrying capacity of 3 ton…

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Hello, sir)
If I wanna make little robot what type of wheels I must use

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@MaureenBrumit Little robots tend to use small wheels. Not sure how to provide more information?

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@adarshn9nayak_1 That’s quite an involved project… well beyond the scope of this guide.