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Foam robot tires that can mount to servos

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Krumlink

New Member
I am looking for foam robot tires that can mount to servos. Any links please?
 

dknguyen

Well-Known Member
Most Helpful Member
JUst buy any foam wheel with a plastic hub (like from Dubro), drill through it to match a servo horn and bolt on the servo horn. Your local RC hobby store will have lots.
 
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Krumlink

New Member
Looks like the nearby hobby store has plenty of them. COOL.
 

dknguyen

Well-Known Member
Most Helpful Member
Just make sure you drill the mounting holes so they are centered...or else...wobble. lol I did that.
 

Sceadwian

Banned
The big problem with using servo's as wheels for robots is the deadzone. Once you glue the pot down you're stuck with the 'center' position, and with temperature and voltage that center position can drift enough to cause the wheels to verrryy slowly turn requiring re-trimming periodically. Good for a quick project, but a more serious robot would be better off with one of those nice double gearbox/motor sets on the Pololu site, they're very reasonably priced. Only thing you need at that point is an h-bridge.
 
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blueroomelectronics

Well-Known Member
Those 3V gearbox motors pair beautifully with most bipolar H-Bridge ICs as the 1.4V drop makes a 5V source ideal. Much easier to use PWM hardware (set & forget) over Servo software.
 

Krumlink

New Member
Krumlink has has a Tamiya gearbox. I had him buy it for the robot he never built :(
I used him for roger and he worked great. This robot is a completely different style than other robots. It will have 4 wheels that are all powered, and each is connected to a servo that steers it.
 

dknguyen

Well-Known Member
Most Helpful Member
Not a problem! One of the things that makes servo motors so easy to work with is that there's a lot of crap designed for them:
Nubotics Products
 
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