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Underhung TC Nomz
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<blockquote data-quote="ciaonzo" data-source="post: 8061163" data-attributes="member: 607015"><p>It's a relationship between the two. Underhung describes a situation where the coil is decidedly shorter than the top plate. You can take a motor with a thick top plate and put a coil with a short wind width in it and it will behave in a very linear fashion. That is, stroke will increase in proportion to decreasing frequency (without enclosure influence). Take that same motor and stick a much longer coil in it and it will not only be considered overhung again, it will likely have a very high BL product. It's also very likely to have a very peaky parabolic BL curve due the number of windings in the gap decreasing almost as soon as the coil moves in either direction and will not behave as linearly as the short coil did in that same gap, or even a conventional overhung configuration with a long coil and short gap relationship.</p></blockquote><p></p>
[QUOTE="ciaonzo, post: 8061163, member: 607015"] It's a relationship between the two. Underhung describes a situation where the coil is decidedly shorter than the top plate. You can take a motor with a thick top plate and put a coil with a short wind width in it and it will behave in a very linear fashion. That is, stroke will increase in proportion to decreasing frequency (without enclosure influence). Take that same motor and stick a much longer coil in it and it will not only be considered overhung again, it will likely have a very high BL product. It's also very likely to have a very peaky parabolic BL curve due the number of windings in the gap decreasing almost as soon as the coil moves in either direction and will not behave as linearly as the short coil did in that same gap, or even a conventional overhung configuration with a long coil and short gap relationship. [/QUOTE]
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