>The biggest problem I have with this design is the diamagnetism of the
copper wire.=20

=20

How does this manifest itself?  Does the coil get pushed out of the
slot?

=20

>Having a core of acrylic plastic for the coil and an outer plate of
acrylic plastic helps to reduce net diamagnetic force on the=20

>coil assembly, since the plastic is also diamagnetic.

=20

How does this help?

=20

Thanks,

Jack
















>The biggest problem I have with this design is the =
diamagnetism of
the copper wire. 

 

How does this manifest =
itself?  Does the
coil get pushed out of the slot?

 

>Having a core of acrylic plastic for the coil and an outer =
plate
of acrylic plastic helps to reduce net diamagnetic force on the =


>coil assembly, since the plastic is also =
diamagnetic.

 

How does this =
help?

 

Thanks,
=


Jack