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  2. Electric gate - Wikipedia

    en.wikipedia.org/wiki/Electric_gate

    To conform to these regulations the gate system must be checked with a calibrated force tester and the full results kept in a technical file for 7 years. If the gate is not tested it does not comply. Most gate kits can be fitted with safety equipment so that these limits are achieved and so cover that part of EN13241-1.

  3. Portcullis - Wikipedia

    en.wikipedia.org/wiki/Portcullis

    Portcullis at Desmond Castle, Adare, County Limerick, Ireland The inner portcullis of the Torre dell'Elefante in Cagliari, Sardinia, Italy A portcullis (from Old French porte coleice 'sliding gate') is a heavy, vertically closing gate typically found in medieval fortifications. [1]

  4. Mecanum wheel - Wikipedia

    en.wikipedia.org/wiki/Mecanum_wheel

    A Mecanum wheel is an omnidirectional wheel design for a land-based vehicle to move in any direction. It is sometimes called the Swedish wheel or Ilon wheel after its inventor, Bengt Erland Ilon (1923–2008), [ 1 ] who conceived of the concept while working as an engineer with the Swedish company Mecanum AB, and patented it in the United ...

  5. Wheel slide protection - Wikipedia

    en.wikipedia.org/wiki/Wheel_slide_protection

    Wheel Slide Protection (WSP) equipment is generally fitted to passenger trains to manage the behavior of wheel sets in “low adhesion” (reduced wheel/rail friction) conditions. It is used when braking and may be considered analogous to anti-lock braking (ABS) in cars. The system can also be used to control (or provide an input to) the ...

  6. Wheelgate Park - Wikipedia

    en.wikipedia.org/wiki/Wheelgate_Park

    Wheelgate Park is a 30-acre family theme park and water park in Farnsfield, Nottinghamshire, England. [1] [2] The park includes two large indoor play centres, a farm and a water park.