Mechanics

  • 4-Blade 56-mm Propeller for 2-mm shaft, Side view of 4-Blade 56-mm Propeller for 2-mm shaft,

    Four Blade Propellers with 56 mm diameter

    Four blade plastic propeller with 2-mm hole and 56-mm diameter (about 2 1/4 inches) are used in blowers, fans, air propelled model boats and many other applications. They fit the 2-mm shaft of small DC motors. Used for models,hobbies, toys and...

    $0.75
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  • Gear Set (Set of 4)

    This set contains four plastic gears for hobby, craft or science projects. Plastic gears can be used to show gear reduction in motorized equipment or adjust the direction of rotation. Many different products such as watches, clocks, and cars require...

    $1.75
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  • Metal Coil Spring Slinky, 50mm

    Metal Coil Spring Slinky, 50mm

    This metal slinky has a 50mm diameter and is commonly used to demonstrate waves in physics experiments as well as other useful properties. Understanding how such properties work is essential to engineers who must apply the theories and principles of...

    $7.50
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  • Propeller with 2-mm hole and 10-cm span (4 inches)

    Plastic Propeller, 4" span

    Plastic propeller with 2-mm hole and 10 cm span (4 inches). Works with any miniature motor that has a 2-mm shaft. If you are looking for a 5" propeller please select the product code PROP5.  Propellers are used in making air propelled boats and...

    $0.99
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  • Plastic Wheels, Plain Set

    Plastic wheels and axles for construction of model vehicles. Back wheels are 17mm wide and 40mm in diameter. The diameter increases to 42mm with traction band or 50mm with black ring tires. The front wheel is 5mm wide and 35mm in diameter. The axle rod...

    $4.00
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  • Plastic Wheels, Tires Set

    Plastic wheels and axles for construction of model vehicles. Back wheels are 17mm wide and 40mm in diameter. The diameter increases to 42mm with traction band and 50mm with black ring tires. The front wheel is 5mm wide and 35mm in diameter. The axle rod...

    $6.00
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  • Plastic Wheels, Traction Set

    Plastic wheels and axles for construction of model vehicles. Back wheels are 17mm wide and 40mm in diameter. The diameter increases to 42mm with traction band or 50mm with black ring tires. The front wheel is 5mm wide and 35mm in diameter. The axle rod...

    $4.50
    Add to Cart