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ITSA General Assembly: December 5th - 12th

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 on: March 19, 2019, 01:52:35 PM 
Started by Jeremy McCreary - Last post by Jeremy McCreary
Swiss glass artist Karola Dischinger has taken on the spinning top with truly stunning results.
 Her top page.


imgbb insists on showing these photos at low res and cropping off their sides, but you get the picture. The green spiral piece is 45 cm in diameter.

Wondering how much wobble in the clear top with the triangular rotor near center in the upper photo? If the rotor were of uniform thickness and density, its CM would coincide with the triangle's centroid (where all 3 medians cross). But the intended spin axis appears to be offset from the centroid toward bottom left slightly left of the centroid.

For the top to be in static balance, the actual CM would have to be moved to the spin axis somehow. Hard to imagine the etchings accomplishing this by themselves.

 on: March 19, 2019, 10:41:37 AM 
Started by Jeremy McCreary - Last post by ta0
Truly amazing! I was like the Earl, thinking many times that it was over and the thing just continued blowing my mind.

These are pros: one in the team has a company that does custom chain reaction displays for advertisers. Almost as unusual a profession as professional top spinner  :P

 on: March 19, 2019, 09:07:00 AM 
Started by MarkHayward - Last post by butterfingers

I have the tips you need for the Mighty Monarc! I read that Mike sent you some tips that didn't fit. Would you swap them for the black tips that I have?

You should still give Mike a cookie when you see him.

 on: March 19, 2019, 09:04:36 AM 
Started by ta0 - Last post by Renee
I picked one of those up on ebay.  It's great inspiration for beginners to perfect their finger spinning technique.  Sometimes the little wooden balls fly out of the playing field.  I anticipate having to replace them at some point.

 on: March 19, 2019, 05:09:10 AM 
Started by ta0 - Last post by the Earl of Whirl
At one point during my visit, the top lady pulled out a game where you spin a top among some little balls.  That would then kick them out into some holes marked with numbers.  After each spin you would add up your score.  Last night I was out in the hall of fame (it is not quite so cold anymore thanks to the weather change) and noticed I had that same game.  Is anyone familiar with this or the company - Mespi.  I have the Alpenroulette.  It looks like you have to click on the "roulette" section to see the top games.....

 on: March 19, 2019, 02:13:17 AM 
Started by Turegano - Last post by jim in paris
Me gusta mucho este artista y la canción de rap es divertida

mui bien


 on: March 19, 2019, 02:09:42 AM 
Started by Jeremy McCreary - Last post by jim in paris

I'd love to work on such a project, with a team spirit .
some sequences are real stunts !
thanx for sharing


 on: March 19, 2019, 01:43:00 AM 
Started by MarkHayward - Last post by MarkHayward
Great! Thanks.

I am not MCing at Worlds, and I really should compete. I will try to put something together.

 on: March 18, 2019, 10:59:19 PM 
Started by jim in paris - Last post by ta0
Nice collection of green spintops, Renee!

I don't recall if I acquired more green tops this past year. I'm too lazy to search for them, but most likely the answer is: yes!  ::)

 on: March 18, 2019, 10:54:27 PM 
Started by jrodriguez - Last post by ta0
Owen plans to be there, too. We can't count him though since he's not member of the forum.  :o
>:( Does he use the Internet at all?  ;D
Tell him that if he is not a member of the forum he cannot vote for your photos on the photo contest  ;)

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