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  2. Tungsten - Wikipedia

    en.wikipedia.org/wiki/Tungsten

    Tungsten (also called wolfram) [14] [15] is a chemical element; ... Now tungsten is used in many more applications such as aircraft and motorsport ballast weights ...

  3. Diving weighting system - Wikipedia

    en.wikipedia.org/wiki/Diving_weighting_system

    Clump weights for bells and stages:– A clump weight is a large ballast weight suspended from a cable which runs down from one side of the launch and recovery gantry, through a pair of sheaves on the sides of the weight, and up the other side back to the gantry, where it is fastened. The weight hangs freely between the two parts of the cable ...

  4. Ship ballast - Wikipedia

    en.wikipedia.org/wiki/Ship_ballast

    The advantage of water ballast is that the tanks can be emptied, reducing draft or the weight of the boat (e.g. for transport on ground) and water added back in (in small boats, simply by opening up the valves and letting the water flow in) after the boat is launched or cargo unloaded.

  5. Heavy metals - Wikipedia

    en.wikipedia.org/wiki/Heavy_metals

    Heavy metals are used for ballast in boats, [137] aeroplanes, [138] and motor vehicles; [139] or in balance weights on wheels and crankshafts, [140] gyroscopes, and propellers, [141] and centrifugal clutches, [142] in situations requiring maximum weight in minimum space (for example in watch movements). [138]

  6. Kinetic bombardment - Wikipedia

    en.wikipedia.org/wiki/Kinetic_bombardment

    The mass of such a cylinder is itself greater than 9 short tons (8.2 t), so the practical applications of such a system are limited to those situations where its other characteristics provide a clear and decisive advantage—a conventional bomb/warhead of similar weight to the tungsten rod, delivered by conventional means, provides similar ...

  7. Ballast - Wikipedia

    en.wikipedia.org/wiki/Ballast

    Ballast weight is also added to a race car to alter its performance. In most racing series, cars have a minimum allowable weight. Often, the actual weight of the car is lower, so ballast is used to bring it up to the minimum. The advantage is that the ballast can be positioned to affect the car's handling by changing its load distribution.

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