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7A70.25 - Superconductor on Elliptical Track

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7A70.25 - Superconductor on Elliptical Track

Title7A70.25 - Superconductor on Elliptical Track

​Show a Superconductor sailing around an elliptical track.

Assembly Instructions

Set up the track by placing it on 4 foot cart so that the axil hangs off the edge of the table. Have a five foot cart nearby ready to have the track placed on it. Slip the feet onto the axil and leave them a little loose. Pick track up and put it on the five foot cart. Clamp the feet to the 5 foot cart and place the felt under the track. Swing the track vertical and clamp a wood block to the table so that the track will not straighten during transport.

The super conductor must be wrapped in paper towel so that one side is completely flat. It must then be wrapped in aluminum foil so the same side is flat.  Holes are then carefully poked into the top of the aluminum foil to allow liquid nitrogen to get to the paper towel. This is then placed into the boat with the metal spacer placed on top.
Setup Time10
Operation Time5
Preview Time20
Operation Instructions

The super conductor boat is placed on the middle of the pinning track. Liquid nitrogen is then poured into the boat slowly so that it fills the boat without running over. When half the nitrogen has evaporated the boat must be refilled. This is repeated until the nitrogen is no longer evaporating quickly. Make sure the boat is pinned by pushing it softly perpendicularly to the pinning track. Now place the boat on to the elliptical track it should force itself into place. Give it a small push and watch it sail. The track can be slowly rotated so that the super conductor sails upside down. Make sure you do this after the boat has recently been filled and do not do this for longer than 2 minutes.
Demo on DimeNo
PIRA 200No
Export Instructions (if different)
Category7 Modern Physics
Subcategory7A - Quantum Effects
KeywordsSuperconductor, Magnetic Track, Really Really Cool
Construction Information
Large Superconductor
Elliptical Superconductor Track
Superconductor Boat (Large)
liquid nitrogen
camera - b&w
squeezee clamp