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-   -   pic: Team 375 DONE!!!!!! (http://www.chiefdelphi.com/forums/showthread.php?t=64107)

eshteyn 14-02-2008 21:14
pic: Team 375 DONE!!!!!!
 

hipsterjr 14-02-2008 21:19
Re: pic: Team 375 DONE!!!!!!
 
How well do those small cylinders lift the ball? They just look a bit punnie in comparison to the 2'' monsters on the launcher. We tried one 1.5'' by 10'' cylinder mounted in the center ( with mixed results).

falconmaster 14-02-2008 22:22
Re: pic: Team 375 DONE!!!!!!
 
Hey your robot looks alot like ours, 842 and 1725s. Cool ! Us three are twins!
http://www.phxhs.k12.az.us/education...73&pagecat=373
http://photos.project1726.org/displa...lbum=28&pos=13

team2061 14-02-2008 22:25
Re: pic: Team 375 DONE!!!!!!
 
looks exactly like our bot except we can't lanch:(

hipsterjr 14-02-2008 22:27
Re: pic: Team 375 DONE!!!!!!
 
I think you mean 1726. 342 also took this approach, but we are waiting for our shiny decals before we post pics.

Question: We all seem to be using pneumatics for our forks to pick up the ball. We tried to use one 1.5" piston in the center, but we are having a hard time finding the right geometry. Any tips?

MrForbes 14-02-2008 22:30
Re: pic: Team 375 DONE!!!!!!
 
yeah, put the cylinder on the side! and leave as much room as possible for the ball

s_forbes 14-02-2008 22:39
Re: pic: Team 375 DONE!!!!!!
 
Quote:
Originally Posted by hipsterjr (Post 699161)
I think you mean 1726. 342 also took this approach, but we are waiting for our shiny decals before we post pics.

Question: We all seem to be using pneumatics for our forks to pick up the ball. We tried to use one 1.5" piston in the center, but we are having a hard time finding the right geometry. Any tips?
We've got a 1.5" bore, 8" stroke moving the lifter; works beautifully. Here's a fairly crummy picture of the geometry we're using, hopefully it helps. Good luck!

http://img89.imageshack.us/img89/7572/liftersn3.jpg

eshteyn 14-02-2008 22:47
Re: pic: Team 375 DONE!!!!!!
 
were using tiny pistons, they work great for us. Unfortunately i can not share their sizes or angles

MrForbes 14-02-2008 23:00
Re: pic: Team 375 DONE!!!!!!
 
Yeah, having two small bore pistons would be the best way to go, so you don't have to deal with all that torque trying to tear the lifting arm apart.

falconmaster 14-02-2008 23:12
Re: pic: Team 375 DONE!!!!!!
 
Is the torque why you are using the ABS tube on your lifter for? To min the effect of the torque?

MrForbes 14-02-2008 23:20
Re: pic: Team 375 DONE!!!!!!
 
That's right.

Josh Goodman 15-02-2008 00:37
Re: pic: Team 375 DONE!!!!!!
 
Quote:
Originally Posted by falconmaster (Post 699152)
Cool ! Us three are twins!
How does that work??? :P

MrForbes 15-02-2008 00:51
Re: pic: Team 375 DONE!!!!!!
 
Hmmm....there are 3 twins in my household: me, and my twin sons.

Maybe it's like that?

JAZAD1 15-02-2008 10:35
Re: pic: Team 375 DONE!!!!!!
 
:cool: Cool look n robot but how does it work :cool:

D_Price 15-02-2008 10:37
Re: pic: Team 375 DONE!!!!!!
 
Nice robot hope to see you guys in Pittsburgh!


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