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Wheels with tires
Designing a moving robot, in addition to making the necessary hardware (e.g. control electronics), requires the selection of appropriate wheels. At least two electric motors are mounted in robots - one is responsible for forward and backward movement, and the other for turning. The simplest solution is to use sliding control. For three-wheeled robots, a third wheel prevents the robot from tipping over. Four-wheeled robots usually use two or four motors and a sliding control. In addition to a stable control system and a reliable power supply and drive system, the wheels on which the torque is transferred from the motors play a key role in moving the robot.
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Wheel + DC Motor 65x26mm 5V with 48:1 Gear + wires
A wheel with a tyre of 65 mm diameter and 26 mm width, together with a motor powered by 5 V , with a current consumption of about 180 mA. The motor has a gear ratio of...
Index: ZES-16472
Index: ZES-16472
Wheel + DC Motor 65x26mm 5V with 48:1 Gear
Wheel with a tyre diameter of 65 mm and a width of 26 mm, with motor powered with voltage of 5 V with a current consumption of approx. 180 mA. The engine has a gear 48:1,...
Index: MOT-03696
Index: MOT-03696
Wheel with tire 65x26mm - yellow
Wheel with 65 mm diameter tyre, tyre width is 26 mm. Compatible with bevelled shaft motors on both sides.
Index: DNG-14245
Index: DNG-14245
Wheel with tire 65x26mm - blue
A wheel with a tyre diameter of 65 mm and a width of 26 mm. Compatible with bevelled shaft motors.
Index: DNG-14244
Index: DNG-14244
The DFRobot wheel with silicone tire. Wheel width is 17 mm and a diameter is of 80 mm.
Index: DFR-07420
Index: DFR-07420
Wheel with rubber tyre, diameter 65 mm and width 15 mm . Designed for engines with truncated shaft on both sides.
Index: DNG-12463
Index: DNG-12463
Solarbotics RW2i Wheel - internal mount - Pololu 1127
Wheel with tyre for high grip. Ideal for minisumo robots and linefollowers. Dimensions: 31,2 x 13,2 mm
Index: PLL-00024
Index: PLL-00024
Wheels 32x7mm - black - 2pcs - Pololu 1087
Set of the plastic wheels (2 PCs.) with rubber tyres providing a high adhesion. They are suitable for engines with Pololu gears.
Index: PLL-00012
Index: PLL-00012
90x10mm Wheels - black - Pololu 1435
Set of plastic wheels (2 PCs.) with rubber tyres, providing a high adhesion. They are suitable for engines with Pololu gears.
Index: PLL-00454
Index: PLL-00454
Solarbotics RW2 Wheel - external mount - Pololu 642
A wheel with a tyre for high grip. Ideal for minisumo robots and fast linefollowers.
Index: PLL-00147
Index: PLL-00147
Feetech FS5103R-W - Servo Wheel
A wheel with a diameter of 70 mm and a width of 10 mm, it is covered with rubber. It is designed for standard servos.
Index: FTC-09171
Index: FTC-09171
White wheel with black rubber tyre with a diameter of 65 mm and a width of 13 mm. Designed for engines with the shaft indented on both sides.
Index: DNG-13946
Index: DNG-13946
Yellow wheels - 2 pieces - for TT shaft motor - Kitronik 2593-TT
A set of two wheels with a diameter (measured with the tire) 67.5 mm . Yellow element made of durable ABS , injection molded. Additionally, each wheel comes with a...
Index: KTR-21411
Index: KTR-21411
Caterpillar Drive Set - 30T - black - Pololu 3033
The set includes two parts of the crawler belts 30 teeth each, four drive wheels, together with elements for mounting them.
Index: PLL-10206
Index: PLL-10206
Wheel 60x8mm - black - 2pcs. - Pololu 1420
Set of plastic wheels (2 PCs.) with rubber tyres providing a high adhesion. Suitable for engines with Pololu gears.
Index: PLL-00022
Index: PLL-00022
80x10mm Wheels - white - Pololu 1430
Set of plastic wheels (2 PCs.) with rubber tyres, providing a high adhesion. They are suitable for engines with Pololu gears.
Index: PLL-00940
Index: PLL-00940
40x7mm Wheels - black - Pololu 1452
Set of plastic wheels (2 PCs.) with rubber tyres, providing a high adhesion. They are suitable for engines with gears from Pololu.
Index: PLL-03747
Index: PLL-03747
Narrow Moon Buggy Wheels - Pair
A pair of plastic wheels, designed for use, for example, in the construction of rovers, trolleys or other rolling devices. Their diameter is 47 mm and the depth is 12 mm ....
Index: PIM-22041
Index: PIM-22041
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Wheel 32x7 mm - white - 2 pieces - Pololu 1088
Set of plastic wheels (2 PCs.) with rubber tyres, providing a high adhesion. Suitable for engines with Pololu gears.
Index: PLL-00031
Index: PLL-00031
60x8mm Wheels - white - Pololu 1424
Set of plastic wheels (2 PCs.) with rubber tyres, providing a high adhesion. They are suitable for engines with Pololu gears.
Index: PLL-00242
Index: PLL-00242
40x7mm Wheels - white - Pololu 1454
Set of plastic wheels (2 PCs.) with rubber tyres, providing a high adhesion. They are suitable for engines with Pololu gears.
Index: PLL-03745
Index: PLL-03745
White wheels - 2 pieces - for servo type FS90R - Kitronik 2593-SV
The set consists of two wheels with a diameter (measured with the tire) equal to 67.5 mm . Elements in white , injection molded from solid ABS . Additionally, each...
Index: KTR-21410
Index: KTR-21410
90x10mm Wheels - white - Pololu 1439
Set of plastic wheels (2 PCs.) with rubber tyres, providing a high adhesion. It is suitable for engines with Pololu gears.
Index: PLL-00237
Index: PLL-00237
Index: PLL-00243
See also
Choice of wheel size
Robots moving on large wheels, usually attract more attention of the observer, compared to robots on small wheels, but appearance is not everything. Choosing the correct wheel size is very important for the speed of the robot. A larger radius and the angular velocity imparted to the wheel means a proportionally higher robot speed, while the force exerted by the wheel on the surface will increase with the torque imparted to the wheel axis of a certain radius. This means that if your robot is traversing elevated terrain, the wheels will exert a horizontal component of force on the surface. Then, with the robot's own weight in mind, you need to increase the torque or use wheels with a smaller radius. Increasing the torque, however, pays for an increase in battery consumption of the robot (including its motors), and an increase in wheel radius means an increase in weight and a decrease in maximum speed. Also, do not use very small wheels, as this is impractical.
Selecting the type of tread
Selecting the correct tread in robot tires dictates its contact surface. If your robot is only going to drive on flat surfaces such as wood and ceramic floors, a tire with a flat tread will provide enough grip, while for driving on carpets, it is advisable to put tires with a slightly grooved tread on it. For reliable movement of the robot on difficult, muddy terrain, the best tires will be those with a deeply profiled tread, which allows efficient rejection of mud when traversing the terrain. Using such tires on flat surfaces is cumbersome due to the reduced ground contact area and can cause problems in maintaining track stability. In the opposite case, a robot equipped with flat-tread tires, despite their large contact area, will get stuck when moving through muddy terrain.