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Message: <blockquote data-quote="A_Contraptions" data-source="post: 8459353" data-attributes="member: 667466">The layers in a coil affect heat dissipation. More layers = more air between layers. That males hot spots. Also more coil volume equates to longer dissipation time of the mass. That's why fools put longer coils on motors to get better power handling. Takes longer to get hot. But at the risk of a hard bottom, increased cost and increased mms which hurts efficiency. If you were aiming for a high fs you would then need a stiffer spider to comp.A 4" 4 layer would cool more efficiently due to increased surface area and decreased mass. Motor plays some role in thermal rediation causing the heat to be wicked into nearby materials which is why any motors are black and tolerance between former and pole is very important</blockquote>

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