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Unread 05-03-2007, 00:40
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pakratt1991 pakratt1991 is offline
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Team 997 Lifter




This is our lifter.
It starts out in a folded up position and plays defense throughout the match.
near the end of the round it returns to the home zone and deploys two, (approximately) 4 foot tall "wing" which are raised using 4, 11 inch stroke/1.5 inch bore pneumatic pistons. The platforms are made out of a honeycombed cardboard center with either plexy glass or carbon fiber material on the top and bottom. They are strong and weigh between 4-5 pounds each. It can lift both platforms individually without tipping the robot. It sits on a track system with 4 cim motor and the Andy Mark 2-speed drive trains, although we did remove the higher speed to take off weight, and in high speed it was to fast to control.

It was designed to do one thing, and one thing well.
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2008 UC Davis Semi-Finalists
2007 Championship Semi-Finalist (494, 254, 997)
2007 Davis Sacramento regional Champs (100, 997, 1458)
2007 PNW regional, Champs (997, 272, 1087)
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Unread 05-03-2007, 00:46
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Re: Team 997 Lifter

Beautiful bot guys, its was fun being pit neighbors
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Unread 05-03-2007, 01:02
sanddrag sanddrag is offline
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Re: Team 997 Lifter

how do you get your partners over 12" high when it looks like you start at 1" high and stroke out 11" ?
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Unread 05-03-2007, 01:03
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pakratt1991 pakratt1991 is offline
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Re: Team 997 Lifter

Same to you 1983,
you guys had an awesome pit (i think you even won an award for its colors?)
and that bot really came together on the first day, I really liked the idea for grabbing tubes then turning them sideways to score. The way your crate held all your tools and had places to hang everything was really a space saver, but did you guys have to pay overages on shipping costs?
BTW your mascot really rocked

Quote:
Originally Posted by sanddrag View Post
how do you get your partners over 12" high when it looks like you start at 1" high and stroke out 11" ?
Out pistons start out fully contracted when the platform is on the floor, then we have our 1 inch Angle Stock and the .5 inches from the platform material. this gives us a little leeway, just for good measure.
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2010 Oregon Autodesk Regional Winner (997, 2130, 1515) (Event Volunteer)
2008 UC Davis Semi-Finalists
2007 Championship Semi-Finalist (494, 254, 997)
2007 Davis Sacramento regional Champs (100, 997, 1458)
2007 PNW regional, Champs (997, 272, 1087)

Last edited by pakratt1991 : 05-03-2007 at 01:09.
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Unread 05-03-2007, 02:49
J Hayashi J Hayashi is offline
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Re: Team 997 Lifter

I was glad to be in Portland to watch your robot in action. The final match really amazing! Best of luck at Nationals.
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Unread 05-03-2007, 11:43
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Re: Team 997 Lifter

im not sure about overages but if there are any they are worth it. And yes we did win the imagery award.
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Unread 05-03-2007, 12:00
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Re: Team 997 Lifter

Looks great.
We considered this when we were in the prototyping stage. The biggest draw back we thought would be if someone hit one of the wing end cylinders and bent it.
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Unread 05-03-2007, 12:49
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Re: Team 997 Lifter

actually, we have support and protection when raising and lowering the platforms, they are attached to the feet at the bottom...
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2010 Oregon Autodesk Regional Winner (997, 2130, 1515) (Event Volunteer)
2008 UC Davis Semi-Finalists
2007 Championship Semi-Finalist (494, 254, 997)
2007 Davis Sacramento regional Champs (100, 997, 1458)
2007 PNW regional, Champs (997, 272, 1087)
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Unread 06-03-2007, 21:23
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Re: Team 997 Lifter

Did you guys say you used carbon fiber? what are the rules on that? someone told me that it was illegal i might be mistaken but ye?
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Unread 07-03-2007, 00:23
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pakratt1991 pakratt1991 is offline
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Re: Team 997 Lifter

Yeah one of our platforms is carbon fiber coated, and one is fiberglass coated(I said plexy glass the first time, my bad)
I don't think that it is illegal to use but I have not looked it up... yet
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2008 UC Davis Semi-Finalists
2007 Championship Semi-Finalist (494, 254, 997)
2007 Davis Sacramento regional Champs (100, 997, 1458)
2007 PNW regional, Champs (997, 272, 1087)
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Unread 08-03-2007, 19:38
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Re: Team 997 Lifter

Carbon Fiber is ok
Way to go 997, glad to see an Outback MFG team make it!

We'll be seeing you guys (and gals) in Davis, this time w/ a robot that can do more then drive around w/ tracks.
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Unread 11-03-2007, 20:51
Dillon Compton Dillon Compton is offline
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Re: Team 997 Lifter

How do you guys lower your platforms?
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Unread 11-03-2007, 20:57
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Re: Team 997 Lifter

696 used pneumatic lifters too. We (1070) have a lift similar to yours but we powered it with two CIM motors.
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Unread 11-03-2007, 21:19
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Re: Team 997 Lifter

ok a bit of suggestion if u have the weight, add a small ramp so bots can get on it easier, alot of bots that i have noticed have under a inch of ground clearance
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Unread 11-03-2007, 21:24
sanddrag sanddrag is offline
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Re: Team 997 Lifter

Quote:
Originally Posted by Dillon Compton View Post
How do you guys lower your platforms?
Just dump the air, no?
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