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-   -   pic: FR263 Arm Teaser (http://www.chiefdelphi.com/forums/showthread.php?t=89821)

mike263 22-01-2011 18:14

pic: FR263 Arm Teaser
 

Akash Rastogi 22-01-2011 18:15

Re: pic: FR263 Arm Teaser
 
Why such a bulky subsystem? It looks pretty unnecessary. Just curious about the rationale. Looks good though. Also, what's the weight?

Sean Raia 22-01-2011 18:22

Re: pic: FR263 Arm Teaser
 
That looks as if it would almost certainly end up falling outside of the max extension zone.

sdcantrell56 22-01-2011 18:22

Re: pic: FR263 Arm Teaser
 
Man you guys did all those cut outs with hand tools didn't you? Thats quite impressive! Not something I would enjoy doing. Rock on guys

Kims Robot 22-01-2011 18:26

Re: pic: FR263 Arm Teaser
 
Not sure why most feel the need to be so negative.. an entire arm subsystem finished in Week 2 - you guys rock :) nice work!!

BrendanB 22-01-2011 19:22

Re: pic: FR263 Arm Teaser
 
Wow, that is a beautiful arm, I had to look close to notice that it was pocketed by hand tools! Patience pays off with having an arm working in week two, great job 263, it looks beastly! :)

Matt Krass 22-01-2011 19:42

Re: pic: FR263 Arm Teaser
 
Quote:

Originally Posted by Kims Robot (Post 1005860)
Not sure why most feel the need to be so negative.. an entire arm subsystem finished in Week 2 - you guys rock :) nice work!!

Finished? ha.

It's close though :)
And it wasn't hand tools, just some very interesting machining, we felt it added character to the robot to not have neat lines all over the place (at least that's what I tell myself)

Matt

Akash Rastogi 22-01-2011 20:54

Re: pic: FR263 Arm Teaser
 
Quote:

Originally Posted by Kims Robot (Post 1005860)
Not sure why most feel the need to be so negative.. an entire arm subsystem finished in Week 2 - you guys rock :) nice work!!

Not being negative, asking legitimate questions.

Did you guys feel that this would be needed for a more robust arm? Also, weight?

Rob Colatutto 22-01-2011 23:45

Re: pic: FR263 Arm Teaser
 
Yup 263's always made everything with hand held jig saws, I'd know as that is the team I started my FIRST career on, as a high schooler. We even made wheels a few years by hand out of 1/8" plate, exciting stuff.

Back on topic, I'm curious what your methodology is for picking tubes up off the ground. Do you stick your gripper and long wrist joint way out in front of your robot? Or will you be raising the arm and pivoting your wrist joint down?

Matt Krass 22-01-2011 23:46

Re: pic: FR263 Arm Teaser
 
Quote:

Originally Posted by Rob Colatutto (Post 1006186)
Yup 263's always made everything with hand held jig saws, I'd know as that is the team I started my FIRST career on, as a high schooler. We even made wheels a few years by hand out of 1/8" plate, exciting stuff.

Back on topic, I'm curious what your methodology is for picking tubes up off the ground. Do you stick your gripper and long wrist joint way out in front of your robot? Or will you be raising the arm and pivoting your wrist joint down?

Not hand held anything, we used the mill, we just can't aim. :)

We haven't worked out the details for picking them up yet... or we have and we're not telling anyone. You decide!

waialua359 22-01-2011 23:56

Re: pic: FR263 Arm Teaser
 
Nice job.:)

mike263 23-01-2011 20:46

Re: pic: FR263 Arm Teaser
 
As of right now the arm is a little over 8lbs and we are reaching over the bot so we are still in our max size but can score on any peg
The triangles were milled out with a manual mill. so those cuts aren't final and still have a bit of filing to do.

more to come:D

IndySam 23-01-2011 21:53

Re: pic: FR263 Arm Teaser
 
Sweet work guys. Our design is very similar. Have you tested how well those windows motors work?

SudoSammich 23-01-2011 22:04

Re: pic: FR263 Arm Teaser
 
Looking nice 263. A little change from last year's compact bot, eh? Looks pretty bulky, but if it works, it's better than what we've got by now!

Look forward to seeing you guys at the LI regional again this year!

dmaldonado 25-01-2011 09:41

Re: pic: FR263 Arm Teaser
 
That arm is perfect.... for waving the terrible towel at the super bowl!

LETS GO STEELERS!!

::rtm::


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