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Unread 12-02-2007, 23:35
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Arille Arille is offline
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FRC #2135
Team Role: Leadership
 
Join Date: Jan 2007
Rookie Year: 2007
Location: California
Posts: 33
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Re: [Team 2135] Robot's First Test Run

Just as an update for 2135, we've got our component (somewhat) up and running..

http://www.youtube.com/watch?v=kkqtTQBm1wQ

As you can see, we have a problem with our lower arm holding eccentric loads. Today we've been researching the denso window motors, and if that would possibly be a better choice than the present globe motors being used. (It probably will be, actually..). None of us or our present mentors know exactly how this specific motor works.. is there some kind of spec sheet/wiring diagram for that? We've had it run, but that's about it. Any ideas??

Some pictures of our arm component...
http://i7.photobucket.com/albums/y261/pepgrrl/2-1.jpg
http://i7.photobucket.com/albums/y261/pepgrrl/2-2.jpg
http://i7.photobucket.com/albums/y261/pepgrrl/2-3.jpg

As you can see, we are very, very heavy on chains right now too. Hopefully we will find a way to put our 'bot on a diet .. hmm.

Oh, and the third picture given is of our claw (which we have yet attached). The middle piece is on a bearing and spins. The string will be connected to these "fingers", and by using pneumatics, the middle piece will spin, allowing the "fingers" to open and close. (Imagine springs placed to keep the "fingers" down, and the middle piece will allow it to open.)

We haven't figured out the whole pneumaticss system completely yet that would allow the bearing to move (we just got out cylinders in from Bimba today too...). Well, we know WHAT we want it to do, but haven't figured out HOW all of the pneumatics pieces fit together. We're able to input air into the cylinders, but haven't figured out how to release the air on command. Is there something obvious that my team has completely overlooked? Any advice is greatly appreciated.

Other than all that , 2135 seems to be surviving!

Any opinions??