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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. 24V Gear Motor with Encoder

    24V Gear Motor with Encoder

    Product Code: EMG49
    Excl. VAT: £59.95 Incl. VAT: £71.94

    The EGM49 is a 24v motor fully equipped with encoders and a 49:1 reduction gearbox.

     It is ideal for medium size robotic applications, providing cost effective drive and feedback for the user.

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  2. EMG30 Mounting Bracket

    EMG30 Mounting Bracket

    Product Code: EMG30MB
    Excl. VAT: £2.62 Incl. VAT: £3.14
    EMG30 mounting bracket provides easy mounting of the EMG30 to the robot.

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  3. Gear Motor and Encoder

    Gear Motor and Encoder

    Product Code: EMG30
    Excl. VAT: £23.71 Incl. VAT: £28.45

    The EMG30 is a 12V motor fully equipped with encoders and a 30:1 reduction gearbox.

    It is ideal for small or medium robotic applications.

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  4. 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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  5. Solarbotics Gear Motor 3

    Solarbotics Gear Motor 3

    Product Code: GM3
    Excl. VAT: £4.90 Incl. VAT: £5.88

    This model differs from the GM2 in that it has a 90 degree output shaft.

    This motor offers 50 in.oz of torque, rotating 360 degrees every 1.6 seconds (38 rpm - just a hair slower than a servo), at 5V, drawing 600mA at stall (free running at 52mA).

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  6. Wheel Watcher Spacer for GM2/3

    Wheel Watcher Spacer for GM2/3

    Product Code: GMWWS
    Excl. VAT: £1.89 Incl. VAT: £2.27

    Due to the longer shaft lengths on the GM2 and GM3, the encoder wheel reflector is a bit too far away from the sensors on the Wheel Watcher.

    Use this spacer to bring the reflector back into range.

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  7. GM2/3/8/9/17 Gear Motor Mounts

    GM2/3/8/9/17 Gear Motor Mounts

    Product Code: GMW
    Excl. VAT: £0.99 Incl. VAT: £1.19

    These new hard plastic wheels are specially designed for our GM2, GM3, GM8, GM9 and GM17 gear motor output shafts.

    Although usable as wheels, we often use these as mounts for legs and other mechanisms as they have convenient mounting holes that match our leg mounting pads.

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  8. Gear Motor & Tread Package

    Gear Motor & Tread Package

    Product Code: GMTPkg
    Excl. VAT: £40.97 Incl. VAT: £49.16

    Ready to build a caterpiller tread drive for your next robot? Here's a package that makes the job easy.

    It includes a pair of GM2 style gear motors, two GMTI idlers, two GMTC driver cogs (keyed to fit the GM2), and forty GMT links and pins sets (20 per side).

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  9. Gear Motor Tread Idlers

    Gear Motor Tread Idlers

    Product Code: GMTI
    Excl. VAT: £2.32 Incl. VAT: £2.78
    You only need one motor per side on a tracked vehicle, but you'll need at least one idler wheel to stretch the tread between two points on your robot!

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  10. Gear Motor Tread Cog-1 piece

    Gear Motor Tread Cog-1 piece

    Product Code: GMTC
    Excl. VAT: £2.32 Incl. VAT: £2.78

    These cogs let you interface the popular GM2/3/8/9 series gear motors with the very cool GMT tread links.

    The GMTC Cog measures 38mm diameter x 15mm wide.

    SOLD INDIVIDUALLY

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Motors & Wheels

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