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brainwav
 Post subject: Wheels
PostPosted: Sun Jul 06, 2008 2:05 pm 
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Roboteer

Joined: Mon Jun 23, 2008 9:13 am
Posts: 3
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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Pete Miles
 Post subject:
PostPosted: Mon Jul 07, 2008 10:39 pm 
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Mr. Roboto

Joined: Thu Nov 03, 2005 10:55 pm
Posts: 125
Location: Why? do you want to drop by?
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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dz63
 Post subject:
PostPosted: Tue Feb 17, 2009 11:17 pm 
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Joined: Tue Feb 17, 2009 9:40 pm
Posts: 3
Hello Pete,

What is the super secret formula for the wheels?

Thanks!
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kmc123
 Post subject:
PostPosted: Wed Feb 18, 2009 3:08 pm 
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Joined: Wed Jan 07, 2009 3:20 pm
Posts: 36
Location: Charlotte, NC
I'd love to know the "super secret" too!

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Robot Dude
 Post subject:
PostPosted: Wed Feb 18, 2009 3:14 pm 
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Lynxmotion Founder
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Joined: Mon Oct 31, 2005 10:46 am
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Location: my quiet place
I'll email him. He doesn't check in here very often.

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kmc123
 Post subject:
PostPosted: Wed Feb 18, 2009 3:19 pm 
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Joined: Wed Jan 07, 2009 3:20 pm
Posts: 36
Location: Charlotte, NC
Thanks Jim!!!

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If you have any tips, tricks, gotchas, pointers, external websites, etc... Let me know!
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Rick Brooks
 Post subject:
PostPosted: Wed Feb 18, 2009 6:26 pm 
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Joined: Mon Oct 31, 2005 6:42 pm
Posts: 27
Location: Fort Wayne, Indiana
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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dz63
 Post subject:
PostPosted: Wed Feb 18, 2009 10:03 pm 
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Joined: Tue Feb 17, 2009 9:40 pm
Posts: 3
^ Already have. The book is currently in transit.
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kmc123
 Post subject:
PostPosted: Thu Feb 19, 2009 9:11 am 
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Location: Charlotte, NC
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?

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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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Snailkeeper (Admin)
 Post subject:
PostPosted: Thu Feb 19, 2009 9:59 am 
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Snails in tiny top hats
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Joined: Mon Oct 31, 2005 10:43 am
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Location: Illinois
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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Lynxmotion, Inc
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THANKS I COULD HELP BRO
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kmc123
 Post subject:
PostPosted: Thu Feb 19, 2009 10:08 am 
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Joined: Wed Jan 07, 2009 3:20 pm
Posts: 36
Location: Charlotte, NC
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? :)

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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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Snailkeeper (Admin)
 Post subject:
PostPosted: Thu Feb 19, 2009 10:12 am 
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Snails in tiny top hats
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Joined: Mon Oct 31, 2005 10:43 am
Posts: 831
Location: Illinois
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!

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

THANKS I COULD HELP BRO


Last edited by Snailkeeper (Admin) on Thu Feb 19, 2009 10:32 am, edited 2 times in total.

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kmc123
 Post subject:
PostPosted: Thu Feb 19, 2009 10:12 am 
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Joined: Wed Jan 07, 2009 3:20 pm
Posts: 36
Location: Charlotte, NC
Thanks Beth! You ROCK...

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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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Snailkeeper (Admin)
 Post subject:
PostPosted: Thu Feb 19, 2009 10:22 am 
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Snails in tiny top hats
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Joined: Mon Oct 31, 2005 10:43 am
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Location: Illinois
Ahah, glad I could help. :D

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

THANKS I COULD HELP BRO
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Robot Dude
 Post subject:
PostPosted: Thu Feb 19, 2009 11:02 am 
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Lynxmotion Founder
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Joined: Mon Oct 31, 2005 10:46 am
Posts: 9325
Location: my quiet place
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.

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http://www.lynxmotion.com
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