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Unread 30-06-2006, 10:49
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Re: What team did this?

Very cool! I don't suppose there's any video online of the robot in motion?
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Unread 30-06-2006, 11:54
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Re: What team did this?

Maybe I just don't get the idea, but what advantage do these hexagonal wheels provide (other than the pimp factor)? It would seem that driving with a flat edge on the ground would only make you more susceptible to being pushed.
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Unread 30-06-2006, 12:20
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Re: What team did this?

Quote:
Originally Posted by Francis-134
It would seem that driving with a flat edge on the ground would only make you more susceptible to being pushed.
Unless they've got treading on the bottom. Think about it: would it be easier to overcome rolling friction or sliding friction with traction wheels? I think it would be harder to be pushed.
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Unread 30-06-2006, 12:48
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Re: What team did this?

Quote:
Originally Posted by Nuttyman54
Unless they've got treading on the bottom. Think about it: would it be easier to overcome rolling friction or sliding friction with traction wheels? I think it would be harder to be pushed.
The wheels aren't what the robot moves on. THere are cross pieces that go between the from and back hexagonal disks that the robot walks on. This is commonly referred to as a WALKING Robot.
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Unread 30-06-2006, 16:23
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Re: What team did this?

Quote:
Originally Posted by sparksandtabs
The wheels aren't what the robot moves on. THere are cross pieces that go between the from and back hexagonal disks that the robot walks on. This is commonly referred to as a WALKING Robot.
Sorry, I wasn't very clear. I realize they're not wheels. The point was the when you push this style of robot, it wouldn't roll, it would slide. If they put traction material on the slats, it could be quite hard to push.
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Unread 30-06-2006, 16:30
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Re: What team did this?

I got to see them at Buckeye. It was pretty cool. I think we ended up calling it the chainsaw drave.
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Unread 30-06-2006, 16:36
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Re: What team did this?

I saw it at Buckeye last year. That drive brought on a bunch of double-takes.

I'm not sure what the purpose of it is, but it was pretty slow moving. I can see how they could dominate pushing matches if they put traction materal on those bars connecting the wheel.
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Unread 30-06-2006, 16:47
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Re: What team did this?

Wasn't it noisy as all get-out? All I know is that I was very impressed with their bot and how it worked...I can't recall how the linkages worked between the disks to allow a full 360* rotation, but as soon as I figure it out *again* I'm going to make a working model of it .
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Unread 01-07-2006, 02:34
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Re: What team did this?

It is very noisy and not very efficient and it hops at fast speeds making it unstable...it works by angling the two plates and as is rotates it sets down a "Foot" then that foot slides sideways and another foot is set down...and also the weight it takes to make it out of diamond plate is too much and is typically hogged out making it structurally Shaky.
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Unread 01-07-2006, 23:11
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Re: What team did this?

Here is another picture of their 2005 robot, and a beautiful picture of our robot during one of our practice matches.

It was pretty interesting and took a little thought to wrap your mind around it. . It looks pretty cool when it drives, also.
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