The Lee-Tseung Lead Out Theory

[ltseung888]

Dear Dr. Ting and Mr. Tseung,

I think that your choice of using only attraction to do the demonstration is brilliant.  It avoids the complication of two sets of wires.

I believe the purpose of your double-device set up is to demonstrate that jumping in mid-air is possible with the Coil-Attract-Magnet arrangement.

Will the attached diagram be simpler?

A simpler alternative.

[Pirate88179]

Lawrence:

Respectfully, you could launch it out of a cannon but it is still not going to do what you think it will once it is in mid air.

Bill

[ltseung888]

The configuration to get the device jump via magnetic repulsion.

Note that the magnet is placed on top of the black coil.  When the magnet jumps, it will collide with the top surface of the tube and bring the tube up.

The jump height is roughly 120 mm.

[ltseung888]

The configuration to make the tube jump via magnetic attraction.

Note that the black coil is placed above the magnet.

The jump height achieved is 180 mm.  This is better than that achieved via magnetic repulsion.

These experiments are easy to replicate.  There appears to be some problem uploading the videos to youtube.  Dr. Ting is looking into the issue.

I post the pictures first.

[hansvonlieven]

With apologies to old Mc Donald.

Larry Tseung he has a lab,
Hong Kong is the go.
And in his lab he makes things jump,
Hong Kong is the go.
With a Ting Tong here,
And a Ting Tong there,
Here a Ting, there a Tong,
Everywhere a Ting Tong.
Larry Tseung he has a lab,
Hong Kong is the go.

Feel free to write additional verses.

Hans von Lieven