MAGLEV CRADLE DIAGRAM
W. Beaty 1994
![[LEVITATOR GIF: 2 rows of 6 tilted coils, with bar magnet floating above them]](http://amasci.com/maglev/bbmlev.gif)
Here a 3 inch alnico rod magnet is levitated by the cradle.
Below the magnet are two rows of tilted coils. On the core
face of each coil is the Hall device which provides the
feedback-generated repulsion profile between the magnet
and the coil. This particular version was only marginally
stable, and the bar magnet would remain levitated for several
seconds before oscillations built up and ejected it from the
device.
See also:
Schematic & more info
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___| |_____| |_____| |_____| |_____| |_____| |_____| |_____
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Side view of iron bar with threaded rods screwed in.
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_|_ _|_|_ _|_|_ _|_|_ _|_|_ _|_|_ _|_|_ _|___
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Side view of iron bar with coils on rods. (2 needed)
ss41
(===)
_____|---|_____ Each coil has an SS-41 "Hall" sensor placed on the
| | end of the iron rod core, with wires leading
| | back to the circuitry
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row of row of
threaded threaded
rods /\ /\ rods
/\ / \ /\
/\ / \ /\
/\ /\ / \ /\ /\
\ \/\ / END \ /\/ /
\ \/ VIEW \/ /
\ \ / / flat iron bar,
\/ \/ 1" x 1/4", with
threaded holes
magnet
rod
floats
here
_
(_)
/\ /\ /\ /\ coils wound on
/ \ / \ / \ iron rods
/ \ / \
/\/ / \ \/\
\ \ / END \ / /
\ \ / VIEW \ / /
\ \ / /
\/ \/
