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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. 1 RPM Gear Motor side view

    1 RPM Gear Motor

    Product Code: 638150
    Excl. VAT: £24.67 Incl. VAT: £29.60

    1 RPM Gear Motor 3-12V

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  2. 1000:1 Micro Metal Gearmotor HPCB 6V with Extended Motor Shaft

    1000:1 Micro Metal Gearmotor HPCB 6V with Extended Motor Shaft

    Product Code: 3080
    Excl. VAT: £20.75 Incl. VAT: £24.90

    This gearmotor is a miniature high-power, 6 V brushed DC motor with long-life carbon brushes and a 986.41:1 metal gearbox, making it a great choice for applications requiring fine control at very low speeds.

    It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.

    This version also has a 4.5 × 1 mm extended motor shaft.

    • Key specs at 6 V: 32 RPM and 120 mA with no load, 125 oz-in (9 kg-cm) and 1.6 A at stall. (Note: stall torque and current specifications are theoretical values; stalling the motor will damage the gearbox.)

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  3. 298:1 Micro Metal Gearmotor HPCB 6V with Extended Motor Shaft

    298:1 Micro Metal Gearmotor HPCB 6V with Extended Motor Shaft

    Product Code: 3079
    Excl. VAT: £15.20 Incl. VAT: £18.24

    This gearmotor is a miniature high-power, 6 V brushed DC motor with long-life carbon brushes and a 297.92:1 metal gearbox.

    It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.

    This version also has a 4.5 × 1 mm extended motor shaft.

    • Key specs at 6 V: 100 RPM and 120 mA with no load, 70 oz-in (5 kg-cm) and 1.6 A at stall.

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  4. 0.0770" Set Screw Hubs 4mm Bore

    0.0770" Set Screw Hub 4mm Bore

    Product Code: 545568
    Excl. VAT: £4.92 Incl. VAT: £5.90

    Set Screw Hubs are used to attach hub mount gears or wheels to a shaft.

    • Bore: 4mm

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  5. Aluminium Motor Mount E front view

    Aluminium Motor Mount E

    Product Code: 555188
    Excl. VAT: £5.91 Incl. VAT: £7.09

    Aluminium Motor Mount E works well with standard spur gear motors as well as premium planetary gear motors.

    • Includes: (4) 3mm mounting screws

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  6. 23 RPM HD Premium Planetary Gear Motor (63826)

    23 RPM HD Premium Planetary Gear Motor (638266)

    Product Code: 638266
    Excl. VAT: £39.48 Incl. VAT: £47.38

    23RPM Premium Planetary Gear Motor 12V DC

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  7. 116 RPM Premium Planetary Gear Motor (638252)

    116 RPM Premium Planetary Gear Motor (638252)

    Product Code: 638252
    Excl. VAT: £27.63 Incl. VAT: £33.16

    116 RPM Premium Planetary Gear Motor 12V

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  8. 1/4" to 5mm Set Screw Shaft Coupler

    1/4" to 5mm Set Screw Shaft Coupler (625120)

    Product Code: 625120
    Excl. VAT: £4.92 Incl. VAT: £5.90

    1/4" to 5mm Set Screw Shaft Coupler

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  9. Clamping Hub 8mm Bore

    8mm x 0.770" Clamping Hub (545624)

    Product Code: 545624
    Excl. VAT: £5.91 Incl. VAT: £7.09

    Our clamping mounts offer a cost effective way to attach hub mount gears or wheels to a shaft.

    • Bore 8mm

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  10. Pololu Universal Aluminum Mounting Hub for 1/4″ Shaft, M3 Holes (2-Pack)

    Pololu Universal Aluminium Mounting Hub for 1/4″ Shaft, Pair, M3 Holes

    Product Code: 1994
    Excl. VAT: £6.40 Incl. VAT: £7.68 As low as: £6.72

    The Pololu universal aluminium mounting hub allows you to mount custom wheels and mechanisms to 6 mm motor shafts.

    The set includes two hubs, two M3 set screws for securing the hubs to motor shafts, and one 1.5 mm Allen wrench for use with the set screws.

    Each hub has four threaded mounting holes for M3 screws (not included).

    • For 1/4" motor shaft

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Motors & Wheels

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