Re: How are you picking up the tetras?
 

We have a somewhat similar claw. In function anyway.
http://www.anderson4.k12.sc.us/schoo...cs/index.2.jpg

We also have a hook used for extra height. Our robot was the only robot at UCF with a claw. Most all of our parts were hand cut/fabricated by us. I actually cut out the claws my self. Well 2 out of 3. I fixed the third one though. ;p

Edit: That picture was taken before the robot was finished. If you were at UCF you saw it with all the graphics and such. There's not a lot that's different. It's just prettier. Oh and a few parts on the claw ended up changing after this picture was taken. Just some brackets. Nothing major.

Re: How are you picking up the tetras?
 

We pick up the tetra inside and lifting up with a chain/forklift design. Very simple. We can load from the human player station as well as the Auto load very efficiently. Whichever one is more conveniant... we go to... We can pick them up off the ground as well...

Re: How are you picking up the tetras?
 

Extendable pneumatic arm with claw.

The Claw

Re: How are you picking up the tetras?
 

We spear it with a piece of pvc, then lift it with a forklift like lift mechanism. It is easy to aim for anywhere inside a tetra and then lift.

Re: How are you picking up the tetras?
 

We use two servos to extend an arm with 3 fingers that can pick tetras up off of the ground, auto loading station, or human loading station. The entire mechanism can be extended up to 17 feet in the air with a 4-stage telescope with self-contained pulleys.

See: http://www.chiefdelphi.com/forums/sh...ad.php?t=36329

Re: How are you picking up the tetras?
 

ur machine kicks serious bot (when its not leaving its lampshade on one of your home goals)

I would love to see an exploded diagram of your lifter.

Re: How are you picking up the tetras?
 

Team 1370 can pick up the tetra from the bottom or from the top we have to different grippers we find that it is much faster to pick it up from the top but you sacrofes how high you can go.