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New ( offline )
Posts: 3
Posted: 2008-07-06 15:05 
 Post subject: Wheels
Hi, just wondering what's the difference between these wheels:
Green Dot Sumo Tire and
Lynxmotion Sumo Tire

Which would be better for mini-sumo? Are the green dot one stickier?

Denis


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Posts: 125
Posted: 2008-07-07 23:39 
 Post subject: Re: Wheels
Well, you have different types of tire materials to choose from.

The Green Dot and the Neoprene foam tires have a similar tire material. They are a dense foam material. Green Dot is a term more commonly used in the R/C racing car community. There are about a dozen different Dot formulations. Green Dot is a specific formulation for a certain hardness and "stickiness".

I use the Green Dot wheels on my 3 kg sumos. They work just fine with my super secret modification. I have several mini sumos that use the Neoprene wheels with lots of success (again I use my super secret modification) to them.

Urethane tires have more traction than the foam tires. But if you use my super secret formula, it won't make any difference between the two.

For mini sumo, make sure that the wheels are not to big so that they won't fit in the robot. If you want to buy some off the shelf mini sumo wheels with lots of traction take a look at the "Sticky Servo Tire". It has a lot more traction than the rubber bands used on the regular Servo Wheels. But then again, my super secret formula makes the two equal.

If you want to know what my super secret formula is, all you have to do is ask.

Back to the original question. Without modifications, the Urethane tires have more traction than the foam tires.

Pete


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Posted: 2009-02-18 00:17 
 Post subject: Re: Wheels
Hello Pete,

What is the super secret formula for the wheels?

Thanks!


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Posted: 2009-02-18 16:08 
 Post subject: Re: Wheels
I'd love to know the "super secret" too!

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Posted: 2009-02-18 16:14 
 Post subject: Re: Wheels
I'll email him. He doesn't check in here very often.

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Jim Frye, the Robot Guy
http://www.lynxmotion.com
I've always tried to do my best...


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Posted: 2009-02-18 16:19 
 Post subject: Re: Wheels
Thanks Jim!!!

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Currently working on a CH3-R Hexapod.
If you have any tips, tricks, gotchas, pointers, external websites, etc... Let me know!


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Posts: 27
Posted: 2009-02-18 19:26 
 Post subject: Re: Wheels
Why don't you just buy Pete's book "Robot Sumo The Official Guide".

Read the book and you will learn a lot more about robot sumo than just tire treatment.

Rick Brooks


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Posted: 2009-02-18 23:03 
 Post subject: Re: Wheels
^ Already have. The book is currently in transit.


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Posted: 2009-02-19 10:11 
 Post subject: Re: Wheels
Rick Brooks wrote:
Why don't you just buy Pete's book "Robot Sumo The Official Guide".

Read the book and you will learn a lot more about robot sumo than just tire treatment.

Rick Brooks


Ummm - Because I didn't know that he had one.
Anyone have the ISBN?

_________________
Currently working on a CH3-R Hexapod.
If you have any tips, tricks, gotchas, pointers, external websites, etc... Let me know!


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Posts: 746
Posted: 2009-02-19 10:59 
 Post subject: Re: Wheels
kmc123 wrote:
Ummm - Because I didn't know that he had one.
Anyone have the ISBN?

http://www.amazon.com/Robot-Sumo-Offici ... 541&sr=8-1

There you go!

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Beth
Lynxmotion, Inc
http://www.lynxmotion.com

THANKS I COULD HELP BRO


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Posted: 2009-02-19 11:08 
 Post subject: Re: Wheels
Thanks Beth - I was looking for the ISBN so I could get it from my library - As far as I know, Amazon doesn't show it - Am I just not looking hard enough? :)

_________________
Currently working on a CH3-R Hexapod.
If you have any tips, tricks, gotchas, pointers, external websites, etc... Let me know!


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Posts: 746
Posted: 2009-02-19 11:12 
 Post subject: Re: Wheels
You just need to look down a bit further - it's under the "Product Details" section:

ISBN-10: 007222617X
ISBN-13: 978-0072226171

I don't know how likely it is that your library will have the book, but if the library is part of the inter-library loan program, they might be able to get it for you.

If not, you can get a used copy on Amazon for something like $9-$12 with shipping via their marketplace (sort of like eBay for books). I order textbooks all the time from the marketplace, and haven't had any trouble so far!

_________________
Beth
Lynxmotion, Inc
http://www.lynxmotion.com

THANKS I COULD HELP BRO


Last edited by Snailkeeper on 2009-02-19 11:32, edited 2 times in total.

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Posted: 2009-02-19 11:12 
 Post subject: Re: Wheels
Thanks Beth! You ROCK...

_________________
Currently working on a CH3-R Hexapod.
If you have any tips, tricks, gotchas, pointers, external websites, etc... Let me know!


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Posted: 2009-02-19 11:22 
 Post subject: Re: Wheels
Ahah, glad I could help. :D

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Beth
Lynxmotion, Inc
http://www.lynxmotion.com

THANKS I COULD HELP BRO


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Posts: 9257
Posted: 2009-02-19 12:02 
 Post subject: Re: Wheels
Wutha!!! wow, I was a technical editor on that book. I thought it was no longer in print! Coolness! It's a great book. 8) Um without regard for my involvement, lol.

_________________
Jim Frye, the Robot Guy
http://www.lynxmotion.com
I've always tried to do my best...


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