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ITSA General Assembly: December 5th - 12th

Author Topic: Who needs string??  (Read 199 times)

Jeremy McCreary

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Who needs string??
« on: December 06, 2018, 06:01:35 PM »

OK, OK, just messing with you guys. Of course you need string for the advanced peg top play most of you focus on.

But all those tricks make it easy to forget that peg tops also do some rather interesting things when left to their own devices on hard, low-friction surfaces like polished stone floors or countertops. To fully appreciate that side of the peg top, best to view it up close at eye level, totally undisturbed. And for that, best to have a controlled start without the vagaries of strings and landings.

Hence the LEGO peg top starters demonstrated here with my 3-inch Relampago (R3)...

https://www.youtube.com/watch?v=1AXNwJ9tr6s

Best total R3 spin time with LEGO starter shown = 150 s (2.5 min), with the first 125 s in "sleep mode". During a rapidly evolving "transition mode" lasting a few seconds at most, the R3 then drops into a surprisingly long-lived "terminal mode" characterized by rapid precession at large tilt just shy of scraping. In the R3, nutation (bucking motion at 2:53 to 3:16) marks early terminal mode.

Every peg top I've managed to start in sleep mode goes through this sleep/transition/terminal mode sequence. That includes the QSH, Bearing King, Trompos Space Saturno, and Yoyo Empire Spintop (videos coming soon). The last stays up longest of all: 243 s total, 210 s sleep, 3 s transition, 30 s terminal).

Missing sleep mode with a sloppy start drastically reduces spin time, as seen at 2:40.
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Playing with the physical world through LEGO

paxl13

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Re: Who needs string??
« Reply #1 on: December 06, 2018, 07:44:08 PM »

That is very cool!! I love my string tho!  8)
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Jospin

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Re: Who needs string??
« Reply #2 on: December 06, 2018, 10:13:44 PM »

Very interesting
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jim in paris

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Re: Who needs string??
« Reply #3 on: December 07, 2018, 12:29:11 PM »

oh la la ! jeremy !! that's a winner , winnie !

make sure you import enuff spare parts in Gaule to make one 4 me !


jim

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Jeremy McCreary

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Re: Who needs string??
« Reply #4 on: December 07, 2018, 01:04:08 PM »

make sure you import enuff spare parts in Gaule to make one 4 me !

Thanks, jim! I'll bring a wind-up driver and the first peg top adapter in video for my display and then leave it with you.

This adapter works with the 3-inch Relampago, QSH, Bearing King, Trompos Space Saturno, and Yoyo Empire Spintop. If you have other peg tops with open crowns (like Relampago) or caps having center holes (like QSH) or center recesses (like BK and Saturno), adapter may work with them as well.

Solomaic decisions ahead as to what else to bring to the festival, so taking requests...
o Most of my LEGO top blog pages are in my Topped Out folder on MOCpages
o Some top starters there, too, but most starter blog pages are in my Useful LEGO Gizmos folder on MOCpages
o Additional tops and starters on my YouTube channel

Still have specimens of anything you find in those locations.
« Last Edit: December 07, 2018, 05:32:22 PM by Jeremy McCreary »
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jim in paris

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Re: Who needs string??
« Reply #5 on: December 07, 2018, 01:26:31 PM »

waoh!
i'll have Ludo think about it it
when is the case due to be sent over ?

jim
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Jeremy McCreary

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Re: Who needs string??
« Reply #6 on: December 07, 2018, 04:43:28 PM »

when is the case due to be sent over ?

Our experiences with shipping packages to our  daughter in Germany were consistently unsatisfactory, so I plan to fly with 2 big suitcases, one full of tops.

But it would still help for your requests to start coming as soon as you can get to them.
« Last Edit: December 07, 2018, 04:46:34 PM by Jeremy McCreary »
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Mermouy

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Re: Who needs string??
« Reply #7 on: December 07, 2018, 09:34:07 PM »

What a topic!
Great video, I'll have to take a look at these pages I never read about...
Should also be some Lego tops videos landing on Spintricks... As soon as I can, I'll add Lego tops section as well as technical/physics videos from Iacopo...
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Jeremy McCreary

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Re: Who needs string??
« Reply #8 on: December 08, 2018, 03:17:35 PM »

What a topic!
Great video, I'll have to take a look at these pages I never read about...
Should also be some Lego tops videos landing on Spintricks... As soon as I can, I'll add Lego tops section as well as technical/physics videos from Iacopo...

Thanks! New LEGO top and top physics sections on your site -- very exciting! Let me know if you'd like some help with either one.
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Mermouy

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Re: Who needs string??
« Reply #9 on: December 10, 2018, 07:21:28 AM »

Thanks! New LEGO top and top physics sections on your site -- very exciting! Let me know if you'd like some help with either one.
Sounds nice yes! Maybe you could start by pointing me a selection of best/most interresting videos you would like to be displayed?
Of course the pages would link to your MOC-pages which are already well ordered...
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Jeremy McCreary

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Re: Who needs string??
« Reply #10 on: December 10, 2018, 01:03:46 PM »

Thanks! New LEGO top and top physics sections on your site -- very exciting! Let me know if you'd like some help with either one.
Sounds nice yes! Maybe you could start by pointing me a selection of best/most interresting videos you would like to be displayed?
Of course the pages would link to your MOC-pages which are already well ordered...

Happy to, but let's proceed by private email -- much easier that way. Send me your address by PM, and we'll go from there.
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