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lms coil question
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<blockquote data-quote="Electrodynamic" data-source="post: 4428041" data-attributes="member: 548723"><p>The coil is "ugly" because of the variable density, which is what makes LMS...LMS. As the coil moves farther and farther out of the gap one of the ways to keep BL constant is to increase L (the length of windings). Thilo did a good bit of work to come up with the coil windings so that it worked out without too many hickup's in the BL curve. But having such a thin and thick coil means you have a very wide gap (as you can see from the pictures) and it also means you have a LOT of moving mass just from the coil. It's a rather lossy and deep (look at how deep all the LMS motors are) way to increase linear throw. I like XBL^2 better (less depth, lower inductance, lower mass), but that's just me. //content.invisioncic.com/y282845/emoticons/veryhappy.gif.fec4fed33b4a1279cf10bdd45a039dae.gif</p><p></p><p>If you need any more information hop over to DIYMA and do a search for LMS.</p></blockquote><p></p>
[QUOTE="Electrodynamic, post: 4428041, member: 548723"] The coil is "ugly" because of the variable density, which is what makes LMS...LMS. As the coil moves farther and farther out of the gap one of the ways to keep BL constant is to increase L (the length of windings). Thilo did a good bit of work to come up with the coil windings so that it worked out without too many hickup's in the BL curve. But having such a thin and thick coil means you have a very wide gap (as you can see from the pictures) and it also means you have a LOT of moving mass just from the coil. It's a rather lossy and deep (look at how deep all the LMS motors are) way to increase linear throw. I like XBL^2 better (less depth, lower inductance, lower mass), but that's just me. [IMG]//content.invisioncic.com/y282845/emoticons/veryhappy.gif.fec4fed33b4a1279cf10bdd45a039dae.gif[/IMG] If you need any more information hop over to DIYMA and do a search for LMS. [/QUOTE]
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