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  2. Tractor PTO auger - Wikipedia

    en.wikipedia.org/wiki/Tractor_PTO_auger

    This in turn will provide power to the Tractor PTO Auger's gearbox. Most modern [1] Tractor PTO Auger gearboxes come standard with a shear bolt to protect the gear drive if the auger encounters an obstruction such as rock during drilling a hole. Tractor PTO Augers connect via 3 point hitch to subcompact tractors and mid-size tractors. [2]

  3. Magnetic switchable device - Wikipedia

    en.wikipedia.org/wiki/Magnetic_switchable_device

    A magnetic switchable device (often called a magnetic base) is a magnetic fixture that uses one or more permanent magnets in a configuration that allows the external field to be turned on or off. They are used in many applications including optics , metalworking , lifting , and robotics, to attach items to metal surfaces in a secure but ...

  4. Inductrack - Wikipedia

    en.wikipedia.org/wiki/Inductrack

    Inductrack is a passive, fail-safe electrodynamic magnetic levitation system, using only unpowered loops of wire in the track and permanent magnets (arranged into Halbach arrays) on the vehicle to achieve magnetic levitation. The track can be in one of two configurations, a "ladder track" and a "laminated track".

  5. Earth auger - Wikipedia

    en.wikipedia.org/wiki/Earth_Auger

    [2] [3] An example is the design of a certain M. Hubby of Maysfield, Texas, consisting of an open hollow cylinder with two blades at the bottom edge. [ 4 ] The first known power earth auger was built in 1943 by John Habluetzel , a farmer in Wamego, Kansas , from parts scavenged from other equipment, including a 7-inch helical blade from a screw ...

  6. Electrodynamic suspension - Wikipedia

    en.wikipedia.org/wiki/Electrodynamic_suspension

    Since a train may stop at any location, due to equipment problems for instance, the entire track must be able to support both low-speed and high-speed operation. Another downside is that the repulsive system naturally creates a field in the track in front and to the rear of the lift magnets, which act against the magnets and create a form of drag.

  7. Anti-handling device - Wikipedia

    en.wikipedia.org/wiki/Anti-handling_device

    An anti-tank mine with an anti-handling device fitted is almost guaranteed to detonate if it is lifted/overturned, because it is specifically designed to do so. Munitions fitted with anti-handling devices increase the difficulty and cost of post-conflict clearing operations, due to the inherent dangers of attempting to render them safe.

  8. Electropermanent magnet - Wikipedia

    en.wikipedia.org/wiki/Electropermanent_magnet

    Electropermanent magnets made with powerful rare-earth magnets are used as industrial lifting (tractive) magnets to lift heavy ferrous metal objects; when the object reaches its destination the magnet can be switched off, releasing the object. Programmable magnets are also being researched as a means of creating self-building structures. [2] [3]

  9. Magnetic levitation - Wikipedia

    en.wikipedia.org/wiki/Magnetic_levitation

    The dimension of magnets varies between different versions, while typically in the range of 1.4 [29]-2 [28] mm square shape with a lower height. The poles of magnets were positioned as a checkerboard array to fit the magnetic field generated by the PCB platform. The robot can be built in different size depending on the size of the array.