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Unread 31-05-2011, 22:34
SamM SamM is offline
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pic: Gruff
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Unread 31-05-2011, 22:36
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Re: pic: Gruff
It looks like a BEAST. Where are yall going to compete with it, and in what competition?
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Unread 31-05-2011, 22:38
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Re: pic: Gruff
They competed at robogames 2011.

Just seeing it in a match with that tread, I knew it had to be someone FIRST related.
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Unread 31-05-2011, 22:41
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Re: pic: Gruff
Are those 4" wide wheels? And... a tank roller in the center?

Good god. How does that thing turn?
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Unread 31-05-2011, 23:14
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Re: pic: Gruff
Any videos of it in action?
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Unread 31-05-2011, 23:30
SamM SamM is offline
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Re: pic: Gruff
Quote:
Originally Posted by slijin View Post
Are those 4" wide wheels? And... a tank roller in the center?

Good god. How does that thing turn?
6" wide wheels...But with 1/8" effective drop on the center wheels. We had 1/16" drop for the previous competition and had problems until later in the competition when the floor was coated with a thin layer of dirt and debris.

The tread in the middle is actually just a bumper I taped on during testing to keep the lifting arm from banging up our own frame too badly when it rotates back.



Quote:
Originally Posted by AdamHeard View Post
They competed at robogames 2011.

Just seeing it in a match with that tread, I knew it had to be someone FIRST related.
I am a Team 79 alumnus and mentor. I designed and built Gruff as part of an Undergraduate Honors Thesis project at USF and now compete in competitions with the USF Robotics Interest Group.
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Unread 31-05-2011, 23:38
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Re: pic: Gruff
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Originally Posted by SuperNerd256 View Post
Any videos of it in action?
Vs Sewer Snake, Repeat winner of Robogames. This is the fight that was televised.

http://www.youtube.com/watch?v=WqL6auwhztE
http://www.youtube.com/watch?v=D0JDCFcYliw

Vs Double Rainbow Party, a shell spinner.

http://science.discovery.com/videos/...-vs-gruff.html

I have some more videos from Robogames that I'll try to get up.
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Unread 01-06-2011, 00:01
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Re: pic: Gruff
That first fight has to be one of the most epic robot battles I've ever seen! Both robots were awesome!
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Unread 01-06-2011, 01:10
Akash Rastogi Akash Rastogi is offline
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Re: pic: Gruff
Man building something like yours or Sewer Snake would be such an awesome offseason project. About how many man hours did you put into your machine?

Sick matches.
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Unread 01-06-2011, 12:16
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Re: pic: Gruff
What kind of control system does that thing use?
Awesome matches, by the way, looks like a fun project.
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Unread 01-06-2011, 12:18
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Re: pic: Gruff
Quote:
Originally Posted by AdamHeard View Post
They competed at robogames 2011.
If anyone's interested, the show (Killer Robots: Robogames 2011) is airing tonight at 10pm and 1am on the Science Channel. 60 minutes of robot mayhem!
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Unread 01-06-2011, 12:22
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Re: pic: Gruff
If only I got the Science Channel!
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Unread 01-06-2011, 12:38
SamM SamM is offline
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Re: pic: Gruff
It's hard to estimate the number of hours that went into it, but it is no more complicated than your average FIRST robot.

I'm using a 2004 IFI control system which has held up well so far (I've heard their weak point is the DB9 cables going bad. 98% of the other teams use a 2.4Ghz RC Airplane or Car system.
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Unread 01-06-2011, 13:38
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Re: pic: Gruff
Quote:
Originally Posted by SamM View Post
How long did it take you to program?

Sorry programming questions! lol
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Unread 01-06-2011, 13:40
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Re: pic: Gruff
Quote:
Originally Posted by SamM View Post
This is awesome. I didnt even see the team number.....whoops! Hello fellow Krunch!

Congrats! PSN sent out an email about this a couple days ago. Congrats!!!!!
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