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 Now, everyone, say it with me: "It's just a TV show and FRC is just a robotics program. My life is a lot bigger than both of those things."
Once you say this, I swear most of the arguments here would fade into oblivion. - itsjustjon [more] |
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We use a carbon-dioxide laser cutter and acrylic to prototype full-scale parts such as the omniwheels we're using on our chassis. Here, you can see what happens when something as fragile as acrylic is smashed mercilessly into a very hard, heavy block of wood. 
The wheel was sheared nearly in half by the impact -- probably because it was being held together only by three screws instead of the expected eighteen -- allowing its three-ply design to separate and crack. The breaks ended where there were screws holding the wheel together.
Our competition wheels will be made from either high-density polyethylene or delrin; perhaps both.
Discussion
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17-01-2006 08:04
Billfred
Re: pic: Team 488 Prototype Mishap
I've heard of not throwing stones in a glass house, but nothing about throwing carts in a glass omniwheel.
How did those wheels hold up on the carpet (before the obvious mishap)?
17-01-2006 09:27
Alekat
Re: pic: Team 488 Prototype Mishap
Does anybody have a picture of wheels like this working on a robot? I've never seen this type of thing before.
17-01-2006 09:40
Greg Perkins
Re: pic: Team 488 Prototype Mishap
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Originally Posted by Alekat
Does anybody have a picture of wheels like this working on a robot? I've never seen this type of thing before.
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https://bert.sad6.k12.me.us/album/sl...icj%20(1).html
BERT Was one of the teams to beat At BAE last season
Many more teams have used them....just search for "omni wheel" on delphi and youll get tons of hits
17-01-2006 09:45
Alekat
Re: pic: Team 488 Prototype Mishap
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Originally Posted by Greg Perkins
http://www.andymark.biz/am-trick-al.htm
https://bert.sad6.k12.me.us/album/sl...icj%20(1).html BERT Was one of the teams to beat At BAE last season Many more teams have used them....just search for "omni wheel" on delphi and youll get tons of hits |
17-01-2006 13:13
Madison
Re: pic: Team 488 Prototype Mishap
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Originally Posted by Billfred
How did those wheels hold up on the carpet (before the obvious mishap)?
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Originally Posted by Alekat
Does anybody have a picture of wheels like this working on a robot? I've never seen this type of thing before.
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Originally Posted by Alex Cormier
possible kiwi drive i see?
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Here is some video.
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