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Motors & Wheels

To make your robot mobile, you will need motors, wheels, casters or tracks. There are a plethora of motors to choose from: tiny pager motors, servo motors, linear motors, stepper motors and DC geared motors. Tiny pager motors have an off-centre weight attached to the drive shaft, so when the motor spins, the motor vibrates. These type of motors are used in pagers and mobile phones to vibrate alerting the owner of a call or message.

Servo motors are DC motors with built in gearing and feedback control loop circuitry. They are used for RC planes and boats. Servos rotate about 90 to 180 degrees making them ideal for robot arms, legs and sensor panning. For wheel rotation you will need a continuous rotation servomotor, either by modifying a standard servo yourself or purchase the available ready "factory modified" servo. Linear actuators in contrast to conventional motors, create motion in a straight line. DC motors are rated at the most efficient running voltage. Apply power to both terminals and the motor will spin. Reverse the voltage wires and it will spin in the opposite direction. Small motors require a switch, but larger motors require a motor controller to perform more complex tasks.

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  1. 30:1 Mini Metal Gear Motor

    30:1 Mini Metal Gear Motor

    Product Code: GM18
    Excl. VAT: £13.62 Incl. VAT: £16.34

    Following the size standard of the GM11(a) series of gear motors, this 30:1 reduction unit is very quick - ideal for zippy robot applications.

    Combined with the RW2 rubber wheels, it'll be a speed-demon!

    • 3mm diameter D shaped shaft

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  2. Solarbotics Gear Motor 2

    Solarbotics Gear Motor 2

    Product Code: GM2
    Excl. VAT: £4.90 Incl. VAT: £5.88

    This 224:1 gearmotor is very comparable to a hobby servo for power, at a fraction of the cost!

    These units have an overall size of 55mm x 48mm x 23mm thick, while only weighing 37grams.

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  3. 100:1 Mini Metal Sealed Gear Motor

    100:1 Mini Metal Sealed Gear Motor

    Product Code: GM20
    Excl. VAT: £13.62 Incl. VAT: £16.34

    If you are as much of a fan of the Solarbotics mini metal gearboxes as we are, you'll be pleased to know we've just brought in a nice complement to family - the GM20.

    • 3mm diameter D shaped shaft

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  4. 360:1 Mini Metal Gear Motor

    360:1 Mini Metal Gear Motor

    Product Code: GM21
    Excl. VAT: £13.62 Incl. VAT: £16.34

    The 360:1 Mini Metal Gear Motor looks much like our other mini metal gear motors, except the motor is longer, and the gearing is in an enclosed cylindrical casing.

    • 3mm diameter D shaped shaft

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    Out of stock

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  5. 298:1 Mini Metal Sealed Gear Motor

    298:1 Mini Metal Sealed Gear Motor

    Product Code: GM22
    Excl. VAT: £13.62 Incl. VAT: £16.34

    The GM22 mini metal sealed gear motor is the same form-factor of its siblings, but it has far more torque - almost twice as much as the GM14a at 3V. It has a sealed gearbox.

    • 3mm diameter D shaped shaft

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  6. 298:1 Mini Metal Gear Motor

    298:1 Mini Metal Gear Motor

    Product Code: GM14A
    Excl. VAT: £13.62 Incl. VAT: £16.34

    Practically identical to our GM14 Sanyo NA4S, this gear motor offers a bit more speed at less cost to you.

    The major difference between this model and the GM14 is that the front faceplate is brass, not steel.

    • 3mm diameter D shaped shaft

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  7. 150:1 Mini Metal Gear Motor

    150:1 Mini Metal Gear Motor

    Product Code: GM13A
    Excl. VAT: £13.62 Incl. VAT: £16.34

    Practically identical to the now out-of-production GM13 Sanyo NA3S, this gear motor offers a bit more speed at less cost to you.

    The major difference between this model and the GM13 is that the front faceplate is brass, not steel.

    • 3mm diameter D shaped shaft

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  8. 100:1 Mini Metal Gear Motor

    100:1 Mini Metal Gear Motor

    Product Code: GM12A
    Excl. VAT: £13.62 Incl. VAT: £16.34

    Practically identical to the now-defunct GM12 Sanyo NA2S, this gear motor offers a bit more speed at less cost to you.

    The major difference between this model and the GM12 is that the front faceplate is brass, not steel.

    • 3mm diameter D shaped shaft

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  9. 56.8:1 Mini Metal Gear Motor

    56.8:1 Mini Metal Gear Motor

    Product Code: GM11A
    Excl. VAT: £13.62 Incl. VAT: £16.34

    If you're looking for a speedy motor with a reasonable amount of torque (for say, moving a small robot that isn't going to fight in a Sumo contest), the GM11a is an excellent candidate.

    • 3mm diameter D shaped shaft

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  10. Solarbotics Gear Motor 10

    Solarbotics Gear Motor 10

    Product Code: GM10
    Excl. VAT: £8.32 Incl. VAT: £9.98

    This pager gear motor is geared 81:1 spins at 370 RPM and draws 24.6mA (184mA stall) at 5V giving 3.6in.oz.

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Motors & Wheels

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